"Dear Kara, Sophia, Joy, Lloyd, Paul, and Sarah - As usual, a great concert! I get so many compliments about your family when you come to play. We look forward to having you every time. I'm so blessed to have the opportunity to work with such talented and caring individuals. Thank you!!!" ~ Courtney W., Personal Care Recreation Coordinator at Souderton Mennonite Homes (June 2012)

"Enjoyed your music immensely last night (December 4th, 2010) was heavenly, glad you were able to do that for us @ our church for our c-mas banquet. Besides the decor being so elegant and festive, the music was heavenly, not to say anything about the delicious food. May the Lord bless you and all the family this holiday season. Enjoying looking @ your photos, too and see you've been places, like Oregon. Glad you can do that." ~ Nancy (December 4, 2010)

"Thanks so much for an uplifting and wonderfully arranged program. I know all the residents appreciated your ministry and your gifts. I praise the Lord that you are using your gifts to serve Him. Thanks again." ~ Diane, Activity Coordinator at Telford Lutheran homes (December 13, 2010)

"Dear Yoo Family, - You are a beautiful family that "makes" beautiful music in so many ways. Thank you so much for coming to Dock Woods and sharing with us your talents and a beautiful message from the Scriptures. Blessings to all of you." ~ Maxine for all the residents at Dock Woods Community (January 16, 2010)

"Thank you once again for performing so beautifully at Second Fridays in February. It was a lovely evening! We had so many fine comments about your performance, your artistry, and your enthusiasm. Thank you again for coming, and I'll be in touch for another booking, perhaps late fall/winter." ~ Linda B., Indian Valley Public Library Director (February 2011)

"Thank you for your soothing music and inspirational performance at The PEAK Center on Friday, April 15. The York Avenue Fifth Grade students and the adults in attendance were treated to a concert of exceptional quality." ~ Carol C., PEAK Center (April 2011)

​"An outstanding performance by the very talented Yoo family musicians. very professional yet friendly - I enjoyed it tremendously and look forward to seeing them perform again in the future!" ~ Susie A.

" Dear Sarah, Kara, Lloyd, Paul, Joy, & Sophia, - Thank you so much for the beautiful performance you put on for our birthday party. You never disappoint us! We really appreciate that you share your God given talents with us. I also appreciate your willingness to help out with such short notice. looking forward to your next visit!" ~ Courtney W., Personal Care Recreation Coordinator at Souderton Mennonite Homes (July 2012)

"Hi Joy, Paul, Sophia, Kara, & Lloyd, - Thanks once again for your wonderful program here in June. How inspiring to have you here once again --- it was wonderful! Your selections represented a wide range of classical music styles, and we could tell by the audience reaction that everyone was enjoying the beautiful music. Thanks once again for thinking of us and providing such an inspiring program. Have a lovely rest of the summer. My best to all of you." ~ Linda B., Indian Valley Public Library Director (June 2012)

"We so enjoyed your family when you were at Dock Woods Community. We would love to have you come again." ~ Fred C., Dock Woods Community (June 2012)

"Dear Joyful sound of Music Ministry--Beautiful Yoo Family, - The concert was wonderful! Truly God has blessed all of us by your music & talent. Praise be to God forever & ever. We love you all & may God continue to bless this family. With love, the Burke Family & guest of Christmas Celebration." ~ Marlene B. (December 2012)


Joy Jieun graduated Summa Cum Laude from Temple University Boyer College of Music and Dance with a degree in Music Education and a concentration in Piano Performance. Throughout her four years, she was on the Dean's lists and nominated as one of twelve Teacher Champions in the Education department as well as the Music department by Temple Professors; she was a recipient of many honors awards and scholarships including Who's Who Among Students in  American Universities & Colleges. She studied under Dr. Alexander Fiorillo, a student of the well renowned Vladimir Horowitz and as a fun fact Professor Fiorillo played in the same ensemble group as Albert Einstein! Joy is certified to teach and conduct ensembles, chorus, and orchestras at public and private schools from grades K-12 in guitar, strings, percussion, woodwinds, brass, and theory; she is also certified as a TESOL/ESL teacher. She is currently at Seylar Elementary School in the Pennridge School District as the K-5 general music teacher, 4-5 chorus teacher, and 3-5 orchestra teacher. In addition, Joy is the founder, director, and teacher of Joy Music Studio. She is currently pursuing a master's degree in music technology for music education and administration.​

Charis (Paul) Jae-young graduated from Temple University College of Science and Technology with a degree in Information Science in Technology. He served as senate chair of the college student body and was a recipient of many honors and awards including the presidential award. During his junior year, he was selected as one of two students from Temple University to receive The Society for Information Management of Philadelphia due to being an “academically talented and deserving student majoring in Information Science and Technology to promote the advancement of the information technology field.” In addition, he completed an internship with Protiviti during the summer of his junior year; he received and accepted a job offer from them during his senior year. Musically, he plays the piano, violin, and cello, and he is also certified to teach piano at Joy Music Studio. He won many first prize competitions as a piano accompanist for solo instruments as well as several scholarship prizes for his piano studies. He is also proficient in tuning pianos and gives quality and competitive private swim lessons to students of all ages.

Sophia Susanna is currently pursuing a degree in electrical engineer with a concentration in computer engineering and a minor in music at Temple University, where she received a full tuition scholarship with the Presidential Scholarship for her academic excellence. She is also a TA (teaching assistance) for various college courses and tutors math (up Calculus III), science (Physics and Chemistry), and writing at Temple University. Musically, she was under the tutelage of Lee Snyder, a graduate of Juilliard and well-known music mentor in the violin world who studied under Dorothy DeLay and Ivan Galamian. Sophia won first place in numerous prestigious string competitions over the years. In March 2015, she brought a masterful performance of Kreisler to the stage with unique choreography in collaboration with the Metropolitan Ballet Company. Throughout 2013, Sophia served as first violin in the Newman Quartet coached by Sidney Curtiss. She also soloed with professional orchestras in Pennsylvania and Virginia and was concert-mistress for a chamber orchestra based in Virginia throughout 2011. In 2009, she also won first place in a distinguished harp competition. She is certified to teach violin and piano at Joy Music Studio.

Kara Tabitha is currently pursuing a degree in computer science with a minor in music. She is actively involved as a coach at Push the Rock, a Christian sports program. Musically, she plays the flute and is certified to teach piano and flute at Joy Music Studio. She won first prize competitions with the flute at several TCY Competitions, including a duo performance of A Dialogue for the Flute and Violin in 2016 with her sister, Sophia Yoo. In addition, Kara was a recipient of many scholarship awards at SMS. She also performed Terschak with the Metropolitan Ballet Company in 2014.

Lloyd Joseph is awing his audience with his amazing voice and his passion for the guitar and piano. He also plays electric guitar, bass guitar, and ukulele. He loves to just pick an instrument and sing along with it. In fact, in December 2016, he won first place in a global mission conference in Rochester, NY. In addition, he received an award at a vocal competition earlier in 2016 while under the tutelage of Judith Turano. He also teaches guitar and contemporary piano at Joy Music Studio. He serves by playing and singing for his church band.

​The Yoo Siblings currently reside in Souderton, PA and have a cute, five-pound, spoiled doxie-poodle (Muffin), and a lovable calico cat (Melody).​​

The Yoo Siblings began their journey in music under the tutelage of diverse musicians from Temple University, Curtis, and Juilliard with several different instruments from the young age of 3 through 6. They were also with Settlement Music School for many years. They perform for community events, weddings, birthday parties, graduation ceremonies, receptions, special music at churches, as well as for many other occasions with the piano, harp, violin, flute, cello, guitar, and vocal singing since 2008.

They also give the young and young-at-heart musicians from Joy Music Studio the opportunity to join them in performing for different occasions. Find out more about Joy Music Studio

Individual Profiles