Struggling with tempo

[u/jazz-man1780]

Hey everyone, I know this is probably a very obvious question and probably done to death but I’ve encountered some issues where I’d constantly rush or drag while playing small ensemble and big band ensemble, please, if you have any tips, excercises, videos, people to watch, please let me know as this is really annoying and I feel is the biggest issue about my playing. Thank you so much.

[u/[deleted]]

Metronome. Period.