Complex sentence: Mic has been writing and performing since the age of 13 and co-formed was part of South London's Hip Hop/Grime collective Lyrically Scar'd who consisted of English Rappers Jay Full Stop and Plattnarm.
Split into simpler sentences: Mic has been writing and performing since the age of 13. He co-formed, and was part of South London's Hip Hop/Grime collective Lyrically Scar'd who consisted of English Rappers Jay Full Stop and Plattnarm.