On the Billboard Hot 100, two\xa0 can be the loneliest number. While having a No. 1 song can define an artist\u2019s career, there\u2019s far less glory in finishing one spot shy\xa0 of the top slot. Yet some No. 2 hits have gone on to become classics. This month, Chris Molanphy looks at three songs that still loom large in our culture: \u201cShop Around\u201d by the Miracles; \u201cWe Got the Beat\u201d by the Go-Gos; and \u201cSince U Been Gone\u201d by Kelly Clarkson.\xa0\nLearn more about your ad choices. Visit megaphone.fm/adchoices