The music for their repertoire of about 1000 songs was all written by Slavko and arranged by Vilko, an academic composer.

Lyrics for their songs were written by Marjan Stare, Ferry Souvan, Ivan Sivec, Franc Košir, Tone Fornezzi, Vinko Šimek and others.

They were and remain particularly popular in Austria, Germany, Switzerland and the Slovene diaspora over the world.

Their biggest hit Na Golici (Trompetenecho), written by Slavko Avsenik and released in 1955, is according to some the most played instrumental piece of music in history.

[1] The band disbanded in 1990 due to Slavko's problems with his spine.