Update genres.txt
Added more heavy metal genres:
@@ -450,6 +450,8 @@ emo rap
emocore
emotronic
enka
+epic doom metal
+epic metal
eremwu eu
ethereal pop
ethereal wave
@@ -1024,6 +1026,7 @@ neo-medieval
neo-prog
neo-psychedelia
neoclassical
+neoclassical metal
neoclassical music
neofolk
neotraditional country
@@ -1176,8 +1179,10 @@ progressive folk
progressive folk music
progressive house
progressive metal
+progressive power metal
progressive rock
progressive trance
+progressive thrash metal
protopunk
psych folk
psychedelic music
@@ -1396,6 +1401,7 @@ symphonic metal
symphonic poem
symphonic rock
symphony
+synthcore
synthpop
synthpunk
t'ong guitar
@@ -1428,6 +1434,7 @@ tejano
tejano music
tekno
tembang sunda
+teutonic thrash metal
texas blues
thai pop
thillana
@@ -1444,6 +1451,7 @@ toeshey
togaku
trad jazz
traditional bluegrass
+traditional heavy metal
traditional pop music
trallalero
trance
