Construct a musical piece that contains the provided motif and abides by the prescribed alphabetical scheme.
X:1
L:1/8
Q:3/8=60
M:6/8
K:D
['B>AG ABd e>fg d<BG |{fa} g>fe', 'g>ab a>gf fed e>ef g>ab Ta3 f/g/']  
X:1
L:1/8
Q:3/8=60
M:6/8
K:D
"^Slow" (d/>c/) | B>AG ABd | e>fg d<BG |{fa} g>fe dBG | A3{Bc} !fermata!d2 d/c/ | B>AG ABd | 
 e>fg d<BG |{fa} g>fe d<BG | A3{Bc} !fermata!d2 || d | e2 f g>ab | a>gf fed | e>ef g>ab | 
{b} Ta3 !fermata!g2 f/g/ | (ab/a/g/f/) !fermata!g>fe | dBd !fermata!g>a(b/a/) | g>eg d<BG | 
 A3{Bc} d2 |]  