What is the version of the following sentence with correct punctuation?

The bands repertoire consists of some 60 of the Liverpool legends bestknown tunes Each song has been meticulously rehearsed after a careful study of studio performances and audio and video recordings from live concerts
The band's repertoire consists of some 60 of the Liverpool legends' best-known tunes. Each song has been meticulously rehearsed after a careful study of studio performances and audio and video recordings from live concerts.