The line-up for this year's iTunes Festival has just expanded, with everyone from Ryan Adams to Elbow looking for a slice of the action.

The full list of additions are as follows:

Elbow, David Gray, Gregory Porter, Ryan Adams, Paolo Nutini, Rudimental, The Script, Jenny Lewis, Robin Schulz, Luke Sital-Singh, SOHN, Matthew Koma, Eric Whitacre, First Aid Kit, MNEK, Jessie Ware, Clean Bandit, Charlie Simpson, Lenny Kravitz, Foxes and Jess Glynne.

They'll join the likes of Pharrell Williams, Kylie Minogue and Beck at Camden's Roundhouse this September. For a chance to win tickets, head here.