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The song was the first artistic collaboration between Cremoni and Ayane, who were in a relationship at the time. The orchestral arrangements by the London Session Orchestra conducted by Nick Ingman. It has achieved good radio success. In an interview with Rockol Cremonini explained the meaning of thes song and the decision to collaborate with Ayane:
"Malika asked me for a song for her album, so I wrote her "Believe in love" which went into Grovigli. It then happens that whenever you do collaborations a give-and-take relationship arises, and 'Hello' kind of completes our artistic encounter. Malika has an extraordinary voice, she has a voice that opens the clouds and has an extraordinary effect on human beings: put into one of my songs is an extraordinary gift."