This work is basically composed as a trio. The fourth part is optional and is not technically challenging. It will give a beginner a chance to play along with the more experienced players. The variations are based on 'Down By the Riverside', 'Nobody Knows the Trouble I´ve Seen', 'When the Saints' and other well-known spirituals. Medium easy, optional 4th part, very easyThis work is basically composed as a trio. The fourth part is optional and is not technically challenging. It will give a beginner a chance to play along with the more experienced players. The variations are based on 'Down By the Riverside', 'Nobody Knows the Trouble I´ve Seen', 'When the Saints' and other well-known spirituals. Medium easy, optional 4th part, very easy