Onteeru Reddy, of Reading, will be the subject of a sexual harm prevention order for 10 years.
Reading and Leeds, Glastonbury, Parklife and Download have surged in price.
The rapper and producer released his new EP in May and played Reading and Leeds Festivals in August.
The Oxford pop punk band signed a deal with Atlantic Records and played the main stage at Reading.
It is the first time in 25 years the top of the festival bill will be exclusively British and Irish acts.
Festival organisers say they do urge people to take broken items to recycling points before leaving.
LYVIA on being inspired as a teen at a Hayley Kiyoko concert
Organiser of Reading and Leeds Festival Melvin Benn says festivals have to adapt.
Artists including Chappell Roan and Hozier were amongst those to perform at Reading Festival.
