Classical Piano : Kania Siregar, Eddy Surya, Karolina Siwi, Gina Utami, Steven Junius

Pop Piano : Steven Junius, Gina Utami

Classical Guitar : Adiwicaksana Inounu, Victor Pandiwijaya

Pop/Jazz Guitar : Victor Pandiwijaya, Yosua Ardhito

Electric/Acoustic Bass : Victor Pandiwijaya, Yosua Ardhito

Drums : Hari Darmawan, Ferdinand Sinaga

Vocal : Jackline Luhulima, Gina Utami, Nadine Bethbeder

Violin : Malwina Ruslan, Irwan Saragih

Saxophone/Flute : Jemmy Timotius*,  Adiwicaksana Inounu

Music for Children : Ms. Ay Lie

Music Theory/Composition/Arrangement : Victor Pandiwijaya

Music Production & Technology : Hari Darmawan, Yosua Ardhito