I have Sonar on three laptops and wish I worked for Cakewalk!
Williamcooper - have a good long look at Joeys Avatar and you might just pick up a subtle clue that will in future alert you when someone from Cakewalk comments. This newfound knowledge will save you from needlessly insulting people who spend a lot of time helping us out - you know - out of the goodness of their heart.
Given the large number of copies of Sonar that are out there, the problems discussed on this forum are hardly a significant enough sample size to declare it unstable. If you believe it is, here's why:
https://en.m.wikipedia.org/wiki/Availability_heuristic Happy to help.
PS. No way does that Joey bloke work for Cakewalk:)