I recently celebrated my 60th, in part through performing an hour long set with two friends - in the car port. Guitar player and singer had never met before: we had less than two days to rehearse, so it went really quite acceptably well. The amplification is two Fender Mustang 3s for the guitars (only one used in the following clip), bass was the amazing Harley Benton 300 combo
with a Celestion loaded extension cab. The PA is the one we used in the 90s. Guitars are a Gibson LP, Epiphone GX (not used on this song), and my bass is a Hohner B Bass 5 string.
Alas the only recording was done on an old Samsung tablet (with interruptions from the 'director's' 5 year old's requests for toilet breaks), so the quality of this opening number is a bit pants. But here it is for what it's worth: