Does vocal improvisation have to sound as if it has been created by a homo sapient? The question may seem oxymoronic, yet when applied to this session and the mouth-work of Japanese vocalist Ami Yoshida is become more than academic’. Waxman, Jazzword. Masahiko Okura – as, tubes, G?nter M?ller – ipod, elec, Ami Yoshida – voc.