 Beside the musicians that worked on the album, the concert also featured vocalist Žika Milenković (Bajagić's former bandmate from the band Ofi, and a former Mačori member and an actor in the amateur theatre Teatar levo), keyboardist Dragan Mitrić (a former Bulevar member) and Kornelije Kovač, Milenković soon becoming an official member of the band.During their staying in Zagreb Bajagić and Cukić appeared as guests on the recording of Parni Valjak album "Uhvati ritam", singing backing vocals on the title track, which was the sign of gratitude to Parni Valjak for lending them a piece of drum kit for their first concert.The band held the official album promotion, organized by the "Rock" magazine, in Belgrade Dom Sindikata on April 21, and on this concert the band appeared under the name Bajaga i Instruktori, chosen after the idea of the journalist Peca Popović, for the first time.