North country boys The Charlatans have been booked to play a greatest hits set on Saturday evening, following David Bowie's cancellation due to ill health.
The band will warm up for The Darkness, who have now been moved one place up the bill to headline instead of Bowie.
The Charlatans will be preceded by Starsailor, Faithless and Pink at the event, which is now completely sold out.
Click here for the full line-up.
To celebrate the start of the weekend, The Ordinary Boys will playing a warm-up gig at the hallowed King Tut’s Wah Wah Hut, Glasgow, on Friday night.
T In The Park takes place on 10 and 11 July at Balado, Kinross.