Arrange a song combining the mentioned alphabetical representation of a musical pattern and the given melodic theme.
X:1
L:1/4
M:4/4
K:Dmin
['D E', 'A, D3/2 F/ E D c c', 'F/E/ D3 (i.e. than GB/7a/26) Free D', 'F A']  
X:1
L:1/4
M:4/4
K:Dmin
"^Rather fast" A, | D3/2 C/ D E |"^(a)" F G E D | G F G/A/ B | A2 D A, | D C D E | F2 E D | 
 G3/2 F/ G B | A3 A | d2 c A | G2 F/G/A/=B/ | c =B c/B/A/G/ | F D C A, |"^(b)" D3/2 F/ D E | 
 F A c d/c/ | A3/2 G/ F/D/ E | D3 |]"^variants (a)" F2 F A | c =B c/B/A/G/ | F D C"^Etc" A, || 
"^(b)" D3/2 F/ E D | c c d/c/A/G/ | F D E F/E/ | D3 |] 
[M:4/4][K:D]"^Slower (i.e. than GB/7a/26) Free rhythm" D | D3/2 C/ D E | F G E D | G3/2 F/ G B | 
 A2 !fermata!D D | D3/2 C/ D E | F G E D | G3/2 F/ G B | A3 A | d2 c A | G2 F A | c e d/c/A/G/ | 
 F A !fermata!C C | D3/2 C/ D E | F A c d | A G F E | D3 |]  