Develop a musical piece that combines the given theme and letter-structured outline.
X:1
L:1/4
M:2/2
K:D
['.A3 .B3']  
X:1
L:1/4
M:2/2
K:D
 z2 z D/F/ | A F E D | F A A F/E/ | D B, D E | D3 (3A3 .A3 .B3 .A3 .B3 .c3 | .d (d/c/) c F | 
 (F E) (E/F/) A | (B A) B (A/F/) | E3 (3A3 .A3 .B3 .A3 .B3 .c3 | .d (d/c/) d F | F E (D/E/) F | 
 A (B/A/) B (A/F/) | E3 (E/D/) | A A B A | F E2 F/E/ | D B, D E | D3 z |]  