Wish Tuner range

[My name is mud]

That's harder to do consistently with a bassist on stage without playing the tuning song duet for the audience

onstage you are not obliged to be in 425HZ... only behind a recording it can be "needed"

 

[IronSean]

onstage you are not obliged to be in 425HZ... only behind a recording it can be "needed"

You're also not obligated to play things in E if you want to play them in D, but if you're trying to do a proper tribute it's nice to stick to the original key.