I've been playing Rocksmith on an old Xbox 360 for years but lately it's been reporting a lot of false errors, mostly when I'm playing chords - even if the chord doesn't change and I'm just strumming, it says I'm making errors. The problem has been getting worse as time goes by, as has the audio lag. I tried the Mac version from Steam and the experience is way better - it only tells me I've made a mistake when I've actually made a mistake! So I've decided to junk the Xbox (Rocksmith was the only