There was a similar thread on That Other Forum...it was started in 2010 and has almost 11k posts! I thought it would be nice to have something like that here, where you can share something as simple as "I finally nailed that tough measure," or a feat truly amazing like "I managed to record an entire piece without my cat jumping on the piano."
I'm at work so my only achievement today will be "I survived my Friday and now I have 4 days of piano to look forward to."
Someone please kick this off with a more interesting achievement than that!