Develop a musical composition in line with the given structure and theme.
X:1
L:1/16
M:2/4
K:D
['', '(A,B,)DE (DE)FG', '[df][de].[df]2 ([de-][ee]2)[de] [ee]2ef (gf)ed (cA)Bc d2[df]d (cd)ec'  
X:1
L:1/16
M:2/4
K:D
 [DA]2[B,D]2 |: (A,B,)DE (DE)FG | (AF)AB (AF)ED | GB2G (FG)(AF) | (ED)EF (ED)B,G, | 
 (A,B,)DE (DE)FG | [FA]2>(B2 AF) ED |1 GABG (FG)AF | (ED)EF D2 DB, :|2 G2<[GB]2 [FA]2>[DA]2 | 
 ([EA-][DA])[EA][FA] [DA]2FE |: (DF)AB d2ed | [de]2<[df]2[de] [df][de].[df]2 | 
 ([de-][ee]2)[de] [ee]2ef | (gf)ed (cA)Bc | d2[df]d (cd)ec | (BA)Bc (BA)FD |1 G2BG (FG)AF | 
 (ED)EF D2FE :|2 G2[GB]2[AF]2>[DA]2 | [EA][DA] [EA]2 [DA]4 ||  