Gigi D — 39-agostino Bla Bla Bla Acapella

Here’s a quick write-up on it: Gigi D’Agostino – “Bla Bla Bla” (Acapella / Vocal Hook)

It sounds like you're referring to famous vocal hook from his track "Bla Bla Bla" — specifically the need for an acapella version (isolated vocals, no instrumental). gigi d 39-agostino bla bla bla acapella

Released in 1999 (or early 2000s depending on the version), “Bla Bla Bla” became one of the most recognizable Italo dance / progressive tracks of the era. Its main hook — a robotic, repetitive, rhythmic “Bla bla bla” — is often what people refer to when asking for the acapella. Here’s a quick write-up on it: Gigi D’Agostino