http://store.steampowered.com/app/207750/
Your music is under attack, you must liberate it!

A mysterious entity is absorbing and corrupting your music before your very eyes. You must battle through your own song collection, discover items, customize your ship and fight boss enemies to liberate the Symphony of Souls and reclaim your music!

Symphony is one of the most music-driven games ever made. In this vertical shooter, re-experience each of your songs as it becomes a unique battlefield driven by intensity and tempo.

Your music collection is now an item collection! Each of your songs contains an item you can discover, equip and upgrade. Fully customize your ship to reach score targets, upgrade items and unlock new difficulty levels.

Showcase your skill. Symphony´s innovative per-song leaderboard rewards you more, when you dominate with less powerful weapons. Find the loadout that suits your style and show what you can do!

Key features

★ Battle a mysterious entity that absorbs and corrupts your music as it plays
★ Cutting-edge music analysis adapts the game to any song you like!
★ Innovative per-song leaderboard system rewards you based on your weapons and the difficulty level
★ 5 unique sets of boss enemies to conquer
★ 6 difficulty levels
★ Discover, collect and equip weapons hidden inside your own music collection
★ 30 achievements/medals to unlock
★ Supported file types:
★ Windows & Mac: MP3, OGG, WAV, FLAC, WMA (Windows only), AIFF, WV.
★ Linux: MP3, OGG, WAV, FLAC, AIFF
★ M4A & AAC supported via a DLC download for a small fee to cover patented decoder licensing costs (M4A & AAC also require the free QuickTime player)
★ Full amBX™ support (cool lighting!) - Windows only