Raden Machjar Angga Koesoemadinata

Raden Machjar Angga Koesoemadinata (often written as ''Kusumadinata, Kusumahdinata, Kusumah Dinata'' or ''Anggakusumadinata''), known as Pak Machjar or Pak Mahyar, was a Sundanese music composer and an Indonesian musicologist, specializing in pelog and salendro. He invented the Sundanese solfège system (''da mi na ti la'') and the Sundanese 17-tone model. He was born in Sumedang on 7 December 1902, and died in Bandung on 9 April 1979. Provided by Wikipedia