Compose music pieces conforming to the prescribed pattern and incorporating the provided musical concept.
X:1
L:1/8
M:4/4
K:D
['d2 (cd) (de) f2 c2 (BA) F2'  
X:1
L:1/8
M:4/4
K:D
 f |"Bm" B2 (Bc) Bcdf |"Bm" f2 B2 c2"E7" (Bc) |"A" A2 AB ABcd |"A" e2 a2 c2"A7" (BA) | 
"Bm" d2 (cd) e2"Em" (de) |"D" f2 a2"A" c2 (BA) |"Bm" F2 a2"F#7" fedc |"Bm" B4 B2 ::"D" d3 e f2 A2 | 
"D" defg a2 (ed) |"A" c2 A2 f2 A2 |"A" cdef e2 (dc) |"Bm" d2 (cd) e2"Em" (de) | 
"D" f2 a2"A" c2 (BA) |"Bm" F2 a2"F#7" fedc |"Bm" B4 B2 :|  