Craft a musical piece that integrates the provided melodic theme and the corresponding alphabetical pattern.
X:1
L:1/4
Q:1/4=120
M:3/4
K:D
['and (D/E/) F G (3(A/B/c/) d A', '(d/e/) (f e) .d (c A) G', '(d/e/) (f e d) (c d) c/A/', '(3(A/B/c/) (d A) A/G/ (F D) .E']  
X:1
L:1/4
Q:1/4=120
M:3/4
K:D
"^Slow and tenderly""^A1" | (D/E/) | F G (3(A/B/c/) | d A (A/G/) | (F D) .F | E D ||"^B1" | 
 (d/e/) | (f e) .d | (c A) G | .A (d e) | d2 |]"^B2" | (d/e/) | (f e d) | (c d) c/A/ | (G c) .E | 
 (D C) ||"^A2" | D/E/ | F G (3(A/B/c/) | (d A) A/G/ | (F D) .E | D2 |]  