[2][4] In October 2007, while being part of Morandi, he formed the music group Sonichouse alongside Radu Dumitriu, Răzvan Gorcinski, and Victor Bourosu.
[5] By September 2009, the group had published five songs on their Myspace profile and announced that they were working on their debut album, which was released on 16 April 2011, titled Supersonic.
[9] Aside from the single "Sub pielea mea", which peaked at number one in the Commonwealth of Independent States, Romania, and Russia, Cotoi co-wrote three other tracks on Carla's Dreams's debut album Ngoc.
[20][21][22] In 2020, as part of a collaboration with TVR, Global Records was tasked with selecting the Romanian entry for the 65th edition of the Eurovision Song Contest.
[32][33] Other writing credits which topped the Romanian music charts include Minelli's "Mariola", "Insula" by The Motans and Emaa, and Iuliana Beregoi's "Cum sună liniștea".