Tuesday's live music highlights are of the national superstar variety.

We're in the midst of an incredibly busy stretch of local music events, but Tuesday's live music highlights are of the national superstar variety. We previewed all three: Katy Perry and Janelle Monae will play the Schott, Dropkick Murphys' Shamrock-N-Roll Festival comes to the LC, and rising Scottish indie rockers Two Door Cinema Club hit the Newport.