Craft a musical piece in accordance with the designated structure and theme.
X:1
L:1/8
Q:1/2=120
M:4/4
K:D
['f2 df- fAdf'  
X:1
L:1/8
Q:1/2=120
M:4/4
K:D
 B2 |"D" A2 DA-"D/F#" ADFA |"G" B2 GB- BDGB |"D" A2 DA- ADFA |"Em" EFGA"A7" GFED | 
"D" A2 DA-"D/F#" ADFA |"G" B2 GB- BDGB |"A7" ABcd efge |"D" f2"G" d2"D" d2 :| e2 |"D" f2 df- fAdf | 
"Em" geaf"G" gfed |"D" f2 df- fAdf |"A7" e2 ce- eAce |"D" f2 df- fAdf |"Em" geaf"G" gfed | 
"A7" ABcd efge |"D" f2"G" d2"D" d2 :|  