Utilizing the provided musical theme and letter-based structure, compose a piece of music.
X:1
L:1/8
M:3/4
K:D
['', '(3[eA][fA][=gA] [aA]2 ([fA][bA]) ([=gA] [fA] [eA])[dD] [cE]>[de]', 'A2 A<A', '([EA,][E^C]) [E^C]>[AE]', '([AF][FD]) [FD]>[FD]']  
X:1
L:1/8
M:3/4
K:D
 (3[eA][fA][=gA] |: [aA]2 ([fA][bA]) ([=gA] [fA] | [eA])[dD] [cE]>[de] (3[eA][fB][=gB] | 
 [aA]2 [fB]>[bB] [=gB]2 |1 (e2 [AE]2) (3[eA][fA][=gA] :|2 (e2 e2) ([eA]>[aA] |: 
 [fA])[fd] [fd]>[fd] ([fd] e) | ([ec]A) A>A [cE]2 |1 ([BE][B=G]) [B=G]>[B=G] ([BE][eE]) | 
 ([ec][cA]) [cA]>[cA] ([eA][aA]) :|2 ([BE][B=G]) [B=G]>[eB] (3[eB]e[ec] | 
 (A2 A=G) (3([AD][BE][cE] |: d2) ([eB]e) ([ec][eB] | [eA])[A=G] [AF]>[A=G] (3[AD][BE][cE] | 
 d2 [BE]>e [cE]2 |1 A2 A<A [AD][BE][cE] :|2 A2 A<A ([AD]>[dD] |: [BE])[B=G] [B=G]>[B=G] ([B=G]A) | 
 ([AF] [FD]) [FD]>[FD] F2 |1 ([EA,][E^C]) [E^C]>[AE] ([AE] A) | ([AF][FD]) [FD]>[FD] [dD]2 :|2 
 ([EA,][E^C]) [E^C]>[AE] (3[AE][A=G][AF] | (D2 D2) ([eA]>[aA] |: [fA])[fd] [fd]>[fd] ([fd]e) | 
 ([ec]A) A>A [cE]2 |1 ([BE][B=G]) [B=G]>[B=G] ([eB]e) | ([ec]A) A>A ([eA]<[aA]) :|2 
 ([BE][B=G]) [B=G]>[eB] (3[eB]e[ec] | (A2 A2) ([AD]>[dD] |: [BE])[B=G] [B=G]>[B=G] ([B=G]A) | 
 ([AF][FD]) [FD]>[FD] F2 |1 ([EA,][E^C]) [E^C]>[E^C] ([AE]A) | ([AF][FD]) [FD]>[FD] [dD]2 :|2 
 ([EA,][E^C]) [E^C]>[AE] (3[AE][A=G][AF] ||1 D2 [FD]<D (3[eA][fA][=gA] ||2 (D3 F) [DA,]2 ||  