Complex sentence: At this time Mihajlović wrote 22 instrumental songs, from "Biska 2" to "Biska 23", dedicated to his friend from Čačak, guitarist nicknamed Biska.
Split into simpler sentences: At this time Mihajlović wrote 22 instrumental songs, from "Biska 2" to "Biska 23". The songs were dedicated to his friend from Čačak, guitarist nicknamed Biska.