Craft a musical piece that abides by the prescribed structural guidelines and the given theme.
X:1
L:1/8
Q:1/8=180
M:4/4
K:D
['dB A2 FA dBAF D2 (3FED', 'Beed BABc dBAF'  
X:1
L:1/8
Q:1/8=180
M:4/4
K:D
"^reel" dB | A2 FA dBAF | D2 (3FED FAA=c | BAFA dBAF | DFAF E2 dB | A2 FA dBAF | D2 (3FED FAAF | 
 (3gfe fd ecdB | ABGE D2 || FA | Beed BABc | dBAF DEFA | Beed BABc | dBAF E2 FA | Beed BABc | 
 dBAF DEFA | (3gfe fd ecdB | ABGE D4 |]  