Construct a melodic piece using the alphabet-based musical sequence and the given motif.
X:1
L:1/8
Q:1/4=120
M:2/4
K:C
['B>!>)!c df |{fg}', 'B>c df']  
X:1
L:1/8
Q:1/4=120
M:2/4
K:C
"^Allegretto."!p! c |!>(! B>!>)!c df |{fg} .f.e .e/.f/.e |{ef} .e.d .d/.e/.d |{de} .d.c .c/.d/.c | 
!>(! B>!>)!c df |{fg} fe e/f/e |{ef} ed d/e/d | cc'c ::!f! d | .d.e/.^f/ .g/.a/.b/.c'/ | 
 .d'.d .b2 |{bc'} .b.a .a/.b/.a |{ab} .a.g .g/.a/.g | .d.e/.^f/ .g/.a/.b/.c'/ | .d'.d b2 | 
{bc'} .b.a .a/.b/.a | gbg ::!p! c | B>c df |{fg} fe e/f/e |{ef} ed d/e/d |{de} dc c/d/c | B>c df | 
{fg} fe e/f/e | ed d/e/d | cc'"^D.C."c :|  