I sorted out all of the music options into categories.
Please note that some of them are in more than one category.
Chill
music_808_lp
music_808full_lp
music_acousticballad
music_acousticjam
music_backandforth
music_blastingbeat_nextdoor
music_breezy
music_breezy_lp
music_busypianostrings
music_butterfliesbuild
music_climacticromance
music_darkdance
music_daytimejazz
music_dazegroove
music_dramaticgroove
music_dreamwalk
music_dreamwalk
music_emoprogression
music_etherealambient
music_flutterbeat
music_gloomyprogression
music_grimybeat
music_happyrap
music_happystringbeat
music_humdrum
music_introspectiveacoustic
music_jungleeerie
music_jungleneutral
music_jungletension
music_keysvamp
music_latinguitarpop
music_meanorgan
music_mellowfunk
music_menacingbeat
music_mischief
music_morosebellpiano
music_noirfunk
music_noirjazz
music_nyjazz_lp
music_organmischief
music_parisian_lp
music_peacefulstringpluck
music_pianoprogression
music_pianotheme
music_pleasantpulse
music_scheming
music_serioushouse
music_serioustechno
music_shiftybeat
music_showdown
music_slowjam
music_smoothbeat
music_softhardbeat
music_softhouse1
music_softhouse2
music_spanishgroove
music_spookyaction
music_stressbeat
music_stringpop
music_strolling
music_tensebeat_lp
music_tickingbeat_lp
music_timepassage
music_upliftingdidgeridoopop
music_wanderingtheme
music_yachtrock
Bright/Happy
music_alternativegroove
music_danceclub
music_danceclub2
music_daytimetv
music_dazegroove
music_happyedm
music_happygolucky
music_happyvamp
music_islandvibes
music_keysvamp
music_marchingsnare
music_ominousrap
music_panpop
music_peacefulstringpluck
music_pianoguitar
music_pianoguitar_lp
music_pianoprogression
music_popclub
music_popclubsync
music_poppunk
music_reverie
music_reverie_noperc
music_stringpluckbeat
music_stringpop
music_talkshow
music_talkshow_lp
music_tickingbeat_lp
music_upbeatsynth
music_whimsicalpiano
Sad/Dramatic
music_bummer
music_acoustic
jammusic_classicalpiano
music_danger
music_darkchoir
music_darkkeys
music_doom
music_doom2
music_dramaticballad
music_emoguitar
music_emoprogression
music_emotionalstringpop
music_funeralorgan
music_funeralorgan2
music_gravestrings
music_meanorgan
music_meanpop
music_melancholy
music_modulatedgroove_lp
music_moodyrock
music_nyjazz_lp
music_saddaze
shortmusic_sadgoodbye
music_sadgoodbye
music_sadguitar
music_sadguitar_lp
music_sadpianoprogression
music_sadvamp
music_spaceysomber
music_spooky
music_spookyaction
music_suspensefulstringhits
music_upbeatstring
music_zen_lp
Upbeat
music_aggropop
music_attitudepop
music_atwork
music_beatboxballad
music_bubblegum
music_bubblegumdance
music_carefreegroove
music_club_lp
music_clubrap
music_edgyrock
music_extremetheme
music_fashionedge
music_fashionupbeat
music_grimybeat
music_groovyband
music_happyedm
music_happygolucky
music_happyvamp
music_keysclunk
music_kpop
music_mellowfunk
music_modulatedgroove_lp
music_neutralbeat
music_panpop
music_pianoprogression
music_pleasantpulse
music_poppunk
music_raprock_lp
music_raprock_lp2
music_retronews
music_sadvamp
music_serioushouse
music_shiftybeat
music_showdown
music_softhouse2
music_tensebeat_lp
music_upbeatpulse
music_upbeatstring
music_upbeatsynth
music_whimsicalpiano
Cinematic
music_acousticjam
music_elizabethan_lp
music_islandvibes
music_mysticalgloom
music_parisian_lp
music_realityshow
music_retronews
music_scheming
music_showdown
music_spanishgroove
music_sparseandcreepy
music_spooky
music_stringpop
music_stringwaltz
music_talkshow
music_talkshow_lp
music_waltz
Fantasy
music_elizabethan_lp
music_stringpop
music_stringwaltz
music_waltz
Rock
music_80srock_lp
music_raprock_lp
music_raprock_lp2
music_rock_lp
Hip-Hop
music_90shiphop
music_90shiphop2
music_clattergroove
music_clubrap
music_extremetheme
music_groovyband
music_neutralbeat
music_softhardbeat
