Fall Out Boy are heading out across the country in support of their new record Mania, a startling sonic reinvention for band, as best displayed on lead single 'Young and Menace' with its high-pitched vocals and dubstep influences.

Guns N Roses are reunited and touring North America. Axl, Slash, Duff and Dizzy have buried all their various hatchets and are back to doing what they do best. One of the defining rock bands of the past quarter century, the band's many iconic tracks include 'Sweet Child O' Mine', 'Paradise City', 'November Rain', 'Don't Cry,' and 'Welcome to the Jungle'.

Katy Perry is back. Following an extended timeout from the spotlight, the pop megastar returns with her new album Witness, and an extensive set of North American concert dates. Witnesses two lead singles, the low-key 'Chained to the Rhythm' and the tasty 'Bon Appetit' have already entered the Perry canon, sitting alongside the likes of 'Last Friday Night,' 'Dark Horse,' and 'I Kissed A Girl.'

Pop legend Janet Jackson is returning to stages around the world this year with her massive State of the World Tour. The North American leg sees her pick up her Unbreakable stops again, after that tour was cancelled due to the singer's pregnancy. One of the biggest names in pop music history, her most iconic tracks are Rhythm Nation, That's the Way Love Goes, and her blockbusting duet with brother Michael, Scream.

Having been crowned as indie rock royalty in the early 2000's, Arcade Fire's sound is an eclectic mix of bossa nova, punk, French chanson, and classically tinged pop music, with references from U2's passion to David Bowie's diversity. They're touring their latest effort, the disco-tinged Everything Now.