In an unexpected turn of events, after their July 10, 2009 Rocklahoma performance, Sean Kelly amicably gave notice that he was quitting Helix to be the new guitar player in Nelly Furtado's band. His first date with Furtado was in Mexico City in September 2009. After Kelly's departure, Brian Vollmer reunited the surviving members of the classic 1980s lineup: Daryl Gray, Greg "Fritz" Hinz, and Brent Doerner. At their first rehearsal together, Hinz reported, "…it was like we had never left. We all fell right into the groove." In regards to reuniting the old band, Vollmer cited fatigue of the rotating Helix lineups: