(I'm not blaming the flute!) I've been learning flute for about 6 months and have been making slow progress - learning how to get a note out, learning tonguing, able to play the first two octaves ...
While I practice some pieces with metronome, I try to make notes coincide with the metronome clicks as precisely as possible. However, some (most?) classical pieces have tempo changes like fermata or ...
Sometimes, when I do Alzapua, I can not produce clean sound, there're still I heard my thumb's nail picking. Usually, I use it while I'm playing (or learning with) some regular chord, like E major. ...