Develop a piece of music conforming to the stated structure and theme.
X:1
L:1/8
Q:1/4=120
M:2/4
K:D
["& with (faf)b (d'c')b.a (afa) (b/c'/) (d'c'b>).a"]  
X:1
L:1/8
Q:1/4=120
M:2/4
K:D
|:"^Playfull & with spirit" (faf)b | (d'c')b.a | (afa) (b/c'/) | (d'c'b>).a | .b.b(ba) | (d'f)f>e | 
 .d.d(de) | (fe).d.B | .d.d.d z | .e/.e/.e/.e/ .e2 | .f.a(d'c') | (ba)(.f.e) | (.d.B.d) z :|  