Danmaku Patterns: Made by Spectral Nexus.

Music: Child of Are (Remastered). - http://www.youtube.com/watch?v=-yoixQOEyqk

Boss Sprites: I'm sorry, but I don't actually know. I found the sprites via TalosMistake.
Please Contact me if the sprites are yours or you want them taken down. Thank you.

Normal Background: Made by 123rf. - http://www.123rf.com/photo_7068285_seamless-retro-mandala-pattern.html

Spell Card Background: http://steve-burg.deviantart.com/art/Japanese-Style-Castle-178721169

Spell Card Overlay: http://blog.thornyeternity.com/todays-seamless-tile/radiating-drop-circles/

Cut-in Image: http://galaxiesofdust.tumblr.com/post/46376811658/hieda-no-akyu

Sound Effects: Made by ZUN.
Akyu no Hieda also belongs to ZUN.
Made using Danmakufu v0.12m.