I thing you wrote me an email about this things.
I will answer you both posts (this one and the one, that is in Creative Editing thread)
Most of AoE files you are talking about (songs and effects which does not disappear if you @refresh - e.g. Storm Gust, Meteor Storm does disappear after @refresh).
Also tons of effects has same files in grf as others (like songs) if you edit some of these files, you can also edit some effects you didnt want to.
Bard:
Magic Strings - data\texture\effect\spell_01.bmp - spell_08.bmp
Impressive Riff - data\texture\effect\ring_red.tga
Song of Lutie - data\texture\effect\idun_apple.bmp
Perfect Tablature - data\texture\effect\melody_b.bmp
Dancer:
Lady Luck - data\texture\effect\kiss.bmp
Slow Grace - data\texture\effect\ring_green.tga
Gypsy's Kiss - data\texture\effect\safeline.bmp
Focus Ballet - data\texture\effect\melody_a.bmp
Ensambles:
Acoustic Rhythm - data\texture\effect\twirl.bmp
Battle Theme - data\texture\effect\melody_a.bmp + melody_b.bmp
Classical Pluck - data\texture\effect\safeline.bmp
Down Tempo - data\texture\effect\twirl.bmp
Harmonic Lick - data\texture\effect\twirl.bmp
Lullaby - data\texture\effect\zz.bmp
Mental Sensing - data\texture\effect\pocket.bmp
Power Cord - data\texture\effect\레드젬스톤.bmp + 블루젬스톤.bmp + 옐로우젬스톤.bmp
If you need something else, feel free to ask