A friend of mine shared this with me, and I found it useful enough, at least as a minimum, for considering new songs to add into one’s repertoire.
[T]he fault lies partly with the worship leaders who choose drivel and, by force of personality and microphone, force the congregation to sing it; and, even more culpably, with the elders who say and do nothing about it, preferring a smorgasbord of new and catchy melodies to the weighty and substantial songs which will actually teach sound doctrine to those who love Jesus, and preach the gospel to those who don’t.
Read more here.