R&B queen Rihanna will headline the second day of T in the Park.
Revellers are expected to see slightly cooler and damper conditions compared with the scorcher for the first day on Friday, which saw many people visit the first aid tent with sunburn.
Rihanna will headline the main stage on Saturday evening, with an early warm up from three of Scotland's best: anthemic Glaswegians The Fratellis, Dundee's The View and pop veterans Deacon Blue.
Oasis offshoot Beady Eye head up the Radio 1 Stage and Mercury Prize winners Alt-J will close King Tut's Wah Wah Hut tent.
Temperatures are not expected to rise much beyond 20C, with light rain predicted in the afternoon, according to forecasters.