Perfect and endless circles are sheet music. By Early Music Scores and William Lawes
By Chris Kilmore, Austin Post and Alex Katunich, for Ukulele, Piano and Bass guitar, style Alternative Pop/Rock, Pop and New Age
By David Paich, Bill Katz and Jussi Kontinen, for Bass guitar, Bass and Guitar, style Pop Rock
By Barbara Anselmi, Alanis Morissette and Ann Harada, for Electric guitar, Ukulele and Viola, style Classical Pop, Adult Alternative and alternative
By Bill Berry, Michael Stipe and Michael Mills, for Guitar and Piano, style Alternative Pop/Rock, Pop and College Rock
For Violin
By Dan Wattis and Murray Gold, for Trombone and Piano, style Stage & Screen