Factual error: In the scene where Derek Smalls is having trouble with the airport security the gate only beeps when he walks 'in'. The gate would beep no matter what way he walked through it. (00:41:00)
Continuity mistake: At the Record Label party, where the band meets Bobbi Fleckman, Nigel is wearing a coat. In another shot where the band meets Sir Dennis Eaton Hogg at the same party Nigel has no coat and different shirt.
Continuity mistake: While the band is performing Stonehenge, the windscreen on Nigel's microphone appears and disappears a couple of times.
Answer: A guitar has normally got 6 strings while a bass has got 4. Also the bass guitar got thicker strings to sound "deeper" hence the name bass.
Mortug