The Piano Institute, Ruko Soho Klampis, Jl. Klampis Jaya No.1-7 B-26, Klampis Ngasem, Sukolilo, Surabaya, East Java 60117, Indonesia

ERMS Music & Art School, Ruko WOW Blok N/Y 1 6, Sawojajar, Kedungkandang, Malang City, East Java 65139, Indonesia