They incorporated carefree rock and roll and Brill Building pop influences in the album 's hard rock songs , while the lyrics were written mostly by lead singer David Johansen and touched on themes such as urban youth , teen alienation , adolescent romance , and authenticity .
They incorporated carefree rock and roll and Brill Building pop influences in the album 's hard rock songs . 
 Their lyrics were written by lead singer David Johansen and touched on themes such as urban youth , teen alienation , adolescent romance , and authenticity .