Tullio Možina is best known as the founder of the Trieste National Ensemble in the 1970s, [ 4 ] then as a co-founder of the ensemble Ano ur’co al’ pej dvej , [ 5 ] [ 6 ] which sings folk and dialect songs in the current century, [ 7 ] he was a member of the Lords dance ensemble, the Miramar Orchestra, [ 8 ] the Mix Orchestra and the Red Star Big Band. [ 9 ] He always loved performing folk and popular music, and he also wrote and devoted himself to lyrics. [ 10 ] He always enjoyed great success with his compositions [ 11 ] and was awarded several times at many music festivals. [ 12 ] Many of his songs are still listened to today and have almost become folk songs. [ 13 ] For example, in the 1970s he composed a song that is still the anthem of the Karst Carnival in Opčine . [ 14 ]

Tullio Možina was a member of the expert committee of the Folk Music Festival in Števerjan for several years . [ 15 ] [ 16 ]