She has been heavily involved in dance, nu disco and electronic scenes there and worked with artists and producers in these genres.

Hannah's first music industry experiences had her on multiple soundtracks for Disney films[citation needed] and the opportunity to collaborate with Grammy winning producer, Larry Klein.

She also performed at Radio City Music Hall, Universal Amphitheatre and on The Tonight Show with Jay Leno.

The song, an EDM track, was later remixed by DJ/producer Denis Goldin released on Lovenest Records and also deep house DJ duo, WD2N.

Mancini co-wrote the Slovene entry in the Eurovision Song Contest 2014, "Spet/Round and Round", performed by Tinkara Kovač.