In August 2010 Callum and Gillian will be walking 370 miles from John o’ Groats to Gretna whilst giving five world premiers by world renowned Scottish composers of duets for marimba and classical guitar, along with premiers from composers from around the world to raise money for Capability Scotland. Alan Dickson, Chief Executive of Capability Scotland said: “It’s great to see two young, talented musicians using their skills to support and promote Capability’s work with disabled people across Scotland’’. Patron's: Earl of Strathmore and Kinghorne John Wallace OBE Major Sponsors: AM Phillip St Ninian's Cathedral, Perth St Mary's Cathedral, Edinburgh Wick Assembly Rooms