我想問音樂表情記號

pp---------pianissimo---------very quiet
p-----------piano---------------quiet
mp---------mezzo piano-------moderately quiet
mf---------mezzo forte--------moderately loud
f------------forte----------------loud
ff-----------fortissimo----------very loud

rit.---------ritardando---------getting gradually slower
a tempo------------------------in time
accel.-----accelerando------gradually getting quicker

p is 細聲 mp is 中細 mf is 中大 f is 大聲