tune

Hello everyone, I recently acquired a new PRS S2 Custom guitar, and I'm experiencing some tuning problems. Specifically, when doing bends on the D string, the guitar easily goes out of tune. Additionally, when playing notes on the middle frets, they are not perfectly in tune. What could be...

Hey all, I just recently purchased a used Vela (semi-hollow, reclaimed wood). It sounds great, although I can't seem to keep it in tune for the life of me. This became a real problem at my first gig as it was really embarrassing playing, then realizing how out of tune it had become after a...