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The musical notes are always the same, and indicated by the symbol used. A crotchet always lasts half the length of a semibreve. A quaver always lasts half the length of a crotchet, and so on. How long a crotchet is is usually given in the tempo. For instance, it might say 120 crotchets per minute. The time signature at the start shows how many notes there are in a bar. This is to do with the phrasing of the music, not how long individual notes last. A time signature of 3/4 means that there are 3 crotchets in a bar.
Sum = -5 - 3 - 2 + 14 = 4 Count = 4 So mean = Sum/Count = 4/4 = 1
an eighth note which is half of one beat or count in 4/4 time
340
count it by 4