Yes and no. A well-written song will give you a good indication of how a phrase flows when spoken.
On the downside: often pronunciation, grammar, collocation, decent vocabulary, logic, etc are ignored due to artistic license, or a lack of language skills by the writer. Also, since sub-cultures can sometimes be identified by the music listened to, I wouldn't assume a song written in English is a fair example of standard English.
As a learner, it's often hard to work out which songs are good examples of the language. Definitely listen, but take it all with a grain of salt. ^^