The group is known primarily for the versatility of vocalist Kellin Quinn's tenor leggiero vocal range.
Sleeping Beauty | Sleeping Beauty (1959 film) | sleeping sickness | Sleeping Satellite | Waking Sleeping Beauty | The Sirens of Titan | Sleeping with the Enemy | Sleeping Dogs | Sleeping car | Sleeping Sickness | Sleeping with the Enemy (1991 film) | Sleeping with Charlie Kaufman | Sleeping Beauty Castle | Sleeping Bear Dunes National Lakeshore | List of Disney's Sleeping Beauty characters#King Stefan | Granny O'Grimm's Sleeping Beauty | Brotherhood of Sleeping Car Porters | William Scott (The Sleeping Sentinel) | Where Sleeping Dogs Lie | Waiting for the Sirens' Call | ''Ulysses and the Sirens'' (1909) by Herbert James Draper | The Sleeping Lady | The Sleeping City | The Receiving End of Sirens | Subways Are For Sleeping | Sleeping with the Devil | Sleeping With Sirens | Sleeping with Sirens | Sleeping sickness | Sleeping Dogs (TV series) |
The band recorded a few songs in 2009, including a cover of B.o.B's popular song "Airplanes", featuring Tom Denney (ex-A Day to Remember) and former band mate Kellin Quinn (Sleeping with Sirens).
In 2010 they headlined the America Underwater Tour with Four Letter Lie, Sleeping With Sirens, Of Machines, and Destruction of a Rose, did their first European Tour with Blessed by a Broken Heart and are currently on the Wet Hot American Summer Tour with Young and Divine and The Venetia Fair.