Generate a piece of music. It is monophony.  
X:1
T:Music21 Fragment
C:Music21
L:1/16
Q:1/4=74
M:2/4
I:linebreak $
K:C
V:1 treble 
V:1
 GG | E2GG E2GG | F2FG A2AB | c2GG A2GE | D2GG C2 z G | E2GG E2GG | FFG2 A2>B2 | c2G2 A2GG | %8
 D2GG C2 z c | c2>c2 d2>d2 | e6 GG | E2GG E2GG | F2FG A2AB | c2GG A2GE | D2GG C2 z G | E2GG E2GG | %16
 FFG2 A2>B2 | c2G2 A2GG | D2GG C2 z c | c2>c2 d2>d2 | e6 z2 | c2>c2 c2GG | AGAc G2E2 | %23
 FEFG AB!fermata!cA | Gf!fermata!e>d d2<c2 | c2>c2 c2GG | AGAc G2E2 | FEFG AB!fermata!cA | %28
 Gfe>d d2<c2 || %29  