Vocal harmony, good guitar riffs or a catchy beat.
QUOTE(FlaSoxxJim @ Apr 23, 2007 -> 10:50 AM)
I heard a good example of that last week on the radio. "Rockin' Into the Night" by .38 Special is a craptacular overblown arena anthem wannabe, to be sure,
The harmony of the voices in the chorus makes that song catchy.
The guitars in this song make this song catchy.