Boer War Bandsman

Can you please help identify this soldier’s regiment and, if possible, the man himself, a military musician (see photograph below). As a child I remember the photo in my grandmother’s picture tin, who said it was her mother’s biological father and that his surname might be ‘Robinson’. My great grandmother was born Elsie James in Lichfield Staffs on 7 June 1903 without her father’s name entered on her birth certificate and adopted by the Beddow family. Whittington Barracks is only three