Wiki information Koeswoyo:

Tonny Koeswoyo
Pop Artist, Person, Musician, Musical Artist, Deceased Person

Koestono "Tonny" Koeswoyo was an Indonesian rock musician and leader of the music group Koes Plus. Koeswoyo played piano, guitar and keyboard.

Yon Koeswoyo
Musician, Musician, Person

Yon Koeswoyo is an Indonesian musician and current member of musical group Koes Plus.