hearing a recording of yourself can be a very naked and vulnerable moment. It can be hard to accept yourself for how you really sound. You said you were using a webcam which explains why things were so noisy; you probably already know things will sound better on a digital interface where you can plug straight in and cut out background noise. The playing is technically sound, really the best advice I can give you is to accept yourself more and adopt a "good enough for rock and roll" attitude, especially in a partially put together piece like this.