Develop musical compositions that maintain the outlined structure and integrate the provided motif
X:1
L:1/8
Q:1/4=58
M:4/4
K:Bb
['(B>c) |{Bc} d2', "(d/e/) ({de} f3 d) (b3 c') (d'/c'/)b/a/"  
X:1
L:1/8
Q:1/4=58
M:4/4
K:Bb
"^Slow and Plaintive"!p! (B>c) |{Bc} d2 F2 F2 d2 | (dc)(cB) B2 (B>c) |{Bc} d2 G2 G2 c2 | 
 (BA)(GF) F2 (B>c) |{Bc} d2 F2 F2 d2 | (dc)(cB) B2 (B>c) |({Bc} d3 G) (c3 A) | B6 ::!mp! (D>E) | 
({DE} F3 D)({D} B3 c) | (d/c/)B/A/ (G/F/)E/D/ (E3 D) | (C3 D) (E3 F) | ((FE)(ED)) D2 z (d/e/) | 
({de} f3 d) (b3 c') | (d'/c'/)b/a/ (g/f/)e/d/ (e3 f) |({de} g3 f) f3 A | B6 :|  