The Pipes and Drums at this years Tattoo are from the following units

The Royal Scots Dragoon Guards
19th Regt Royal Artillery(Highland Gunners)
40th Regt Royal Artillery(Lowland Gunners)
The Black Watch (3rd Btn Royal Regiment of Scotland)
1st Royal Tank regt
The Royal Dragoon Guards
Army School of Bagpipe Music and Highland Drumming
South Australia Police
Swiss Highlanders
The Citadel Regimental Pipes
South African Irish

200 Pipers and Drummers