OneNote - Get the OneNote app for free on your tablet, phone, and computer, so you can capture your ideas and to-do lists in one place wherever you are. Or try OneNote with Office for free.

Rock Band - Rock Band is a Rhythm Music and Single and Multiplayer video game created by Harmonix and published by MTV Games.

RightNote - Advanced notes and information manager for Windows

Osu - Osu is Music, Rhythm, Single and Multiplayer video game developed by Dean Herbert.

CherryTree - A hierarchical note taking application, featuring rich text and syntax highlighting, storing data in a single xml or sqlite file.

Frets on Fire - Bonus content.