[1] Its follow-up, Mainstream, was released by Bomba Dischi on 30 November 2015, preceded by the single "Cosa mi manchi a fare".

[4] Since its release, Calcutta considered the song as something which did not represent himself; despite this, it became his first commercial success and his first single to be certified gold by the Federation of the Italian Music Industry.

[9] During his career, he also appeared as a featured artist on the singles "Se piovesse il tuo nome", released in 2018 with Elisa, and "Blue Jeans" (2020), recorded as a duet with Franco126.

[10][11] He also penned songs for other Italian recording artists, including Francesca Michielin's "Io non abito al mare", Fabri Fibra's "Come mai", Emma's "Latina", Nina Zilli's "Mi hai fatto fare tardi" and Luca Carboni's "Io non voglio".

[17] In May 2023, Calcutta announced his new album "Relax" on his Instagram account, also promoting an 8 date tour in Italy.