This piece was composed by Philip Glass in 1968. Within it the player performs '1+1' by tapping the table top with his fingers or knuckles.
1+1 One Player And Amplified Table-top [Glass, Philip]
| Arrangement | Percussion |
| Genres | Post-1900 |
| Format | Instrumental Work |
| Level | 2 |
| NumberOfPages | 4 |
| Media | Sheet Music |
| Publisher | Dunvagen Music Publishers |
| Contributors | Glass, Philip (Artist) |
| Language | English |