Does aerosmith write there own music?

Aerosmith is an American rock band that has written many of their own songs. The band was formed in 1970 and has released 15 studio albums, 4 live albums, and 23 compilation albums. Aerosmith has written and recorded many hit songs, including "Dream On", "Walk This Way", "Sweet Emotion", and "Cryin'". The band has also written songs for other artists, such as "Janie's Got a Gun" for the band Bon Jovi.