/ AS Notes Site RSS Feed finding-the-key-a-new-concept-page-and-the-key-finder.html A new Keys concept page explains what a musical key really is - and the interactive Key Finder lets you click the notes you hear and watch it work out which keys they could belong to. Gareth Brown 2026-06-23 loop-and-learn-practising-tricky-sections-in-the-piano-roll.html New loop controls in the Piano Roll tool let you ring-fence the hard bars of a song, slow them down, and play them round and round until they stick — over a MIDI guide of the piece you are learning. Gareth Brown 2026-06-16 as-music-theory-so-far.html A tour of everything new on AS Music Theory, from the interactive concepts library and the practice tools to the spaced repetition system that helps it all stick. Gareth Brown 2026-06-12 welcome-to-the-as-music-theory-blog.html Gareth Brown 2026-06-06