Develop a musical piece that combines the given theme and letter-structured outline.
X:1
L:1/8
Q:1/8=180
M:4/4
K:D
['', 'dB ADDD ADBD ADFA Beed AD (3DDD', 'dBAB dfeA', '(3fga af', 'dgf/g/f dfeA dgf/g/f']  
X:1
L:1/8
Q:1/8=180
M:4/4
K:D
 dB |: ADDD ADBD | ADFA Beed | AD (3DDD A2 Bc | dBAF ADDD :| dBAB dfeA | dBAc BEEA | dBAB dfeA | 
 dBAF ADDD | dBAB dfeA | dB B2 fB B2 | dBAB d2 (3gfe | dBAF ADDD || (3fga af defd | (3AcA fd edBd | 
 (3fga af defc | dBAF ADDD | (3AcA fd Adfd | (3AcA fd edBd | (3fga af afed | (3efg fe dBAB || 
 dgf/g/f dfeA | dgf/g/f afeA | dgf/g/f dfec | dBAF ADDD | dgf/g/f dfeA | dgf/g/f afef | 
 g2 (3gfe f2 (3gfe | dBAF AD !fermata!D2 |]  