WelcomeUser Guide
ToSPrivacyCanary
DonateBugsLicense

©2025 Poal.co

(post is archived)

[–] 0 pt

Look at a piano. All will become clear.

A A# B C C# D D# E F F# G G# A A# B C C# ...

No sharps between B and C and no sharps between E and F.