Build a musical arrangement using the indicated alphabet-based system and the given motif.
X:1
L:1/8
M:4/4
K:D
['f2 a2']  
X:1
L:1/8
M:4/4
K:D
"D" f2 f2 a2 a2 |"G" gg g(b b)b b2 |"D" f2 a2 afed |"G" BABc"A" dcde |"D" f2 f2 a2 a2 | 
"G" gg g(b b)b b2 |"D" f2 a2 afed |"A7" BABc"D" d4 ::"Bm" B2 B2"Am" =c2 (c2 | 
"Bm" B)B Be-"Em" ee e2 |"Bm" B2 B2"Am" =c2 (c2 |"Bm" B)B"Em" BE- E4 |"Bm" B2 B2"Am" =c2 (c2 | 
"B7" B)B Be-"Em" ee e2 |"D" f2 a2 afed |"A7" BABc"D" d4 :|  