| Abbreviation | Definition |
|---|---|
| SFMF | Sacramento Film and Music Festival |
| SFMS | Susquehanna Folk Music Society |
| SFO | Scottish Fiddle Orchestra |
| SFP | SCOPE Fusion Platform |
| SFQ | Sociedad Filarmonica de Quito |
| SFS | San Francisco Symphony |
| SFSM | San Francisco Street Music |
| SFTB | Started From The Bottom |
| SFTBC | Songs From The Big Chair |
| SFTMC | San Francisco Tape Music Center |
| SFUPB | Simon Fraser University Pipe Band |
| SFZ | Hit note, then back way off and build back up |
| SG | Same Guitar |
| SG | Solid-body Guitar |
| SG | Solo Guitar |
| SG | Spanish Guitar |
| SG | Spare Guitar |
| SGB | Steve Gibbons Band |
| SGFR | Shiny Gold Flourescent Red |
| SGM | Southern Gospel Music |