Produce pleasing melodies that correspond with the indicated letter notation and incorporate the suggested theme.
X:1
L:1/8
M:2/4
K:D
['A>B Ad (e/d/)c/B/', 'D3 A dA Ac dA Ad |{c}', 'AF B>c{e} d{c}B (A<F) F>D (F2 E>)D', 'dAAc dA Ad/c/ |{c} B>A Bd |{cd}']  
X:1
L:1/8
M:2/4
K:D
 D | (FA) A>B | Ad (e/d/)c/B/ | (A<F) F>D | (F2 E>)D | (F<A) A>B | Ad (e/d/)c/B/ | (AF) E>F | D3 :: 
 A | dA Ac | dA Ad |{c} B>A Bd | e3 c | (d<f) (B<d) | A>d (B/A/)(G/F/) |{F} E>D EF | D3 :: D | 
 F>G AF | B>c{e} d{c}B | (A<F) F>D | (F2 E>)D | F>G AF | B>c dc/B/ | A>F GE | D3 :: (A/4B/4c/) | 
 dAAc | dA Ad/c/ |{c} B>A Bd |{cd} e3 c | (d<f) (B<d) | A>d (B/A/)(G/F/) |{F} E>D EF | D3 :|  