Switching to another key; what is the best technique?

[pbass2]

You don’t recall the name of the book do you?

It was around 20 years ago--was just looking and I can't find it now, but I think it was this: https://www.amazon.com/Nashville-Number-System-Chas-Williams/dp/0963090674

 

[Wannabebass]

It was around 20 years ago--was just looking and I can't find it now, but I think it was this: https://www.amazon.com/Nashville-Number-System-Chas-Williams/dp/0963090674

Cool, thank you!