Roni played the piano , Oding Nasution was on guitar , and Abadi Soesman on synthesizers .
Chrisye and Keenan Nasution provided vocals , with Chrisye also playing the bass and Keenan playing the drums .
Roni played the piano , Keenan   was on guitar , and Abadi Soesman on synthesizers .
Chrisye and Keenan Nasution provided vocals , with Chrisye also playing the bass and Keenan playing the drums .