Construct a melodic piece using the alphabet-based musical sequence and the given motif.
X:1
L:1/8
M:3/4
K:G
['a2 g>a b>g e3 d c>b a<g']  
X:1
L:1/8
M:3/4
K:G
|:"G" d>g b2 a2 | a<b g4 |"D7" d>e c2 A2 |"G" ed (3BdB G>B |"G" d>g b2 a2 | a<b g4 | 
"D7" d>d e>e f>f |"G" g z g4 :|[K:D] (^g2 |:"D" a>)^g a2 g>a |"Em" b>g e3 d |"A7" c>b a<g e>c | 
"D" d>e f<g a2- |"D" a>^g a2 g>a |"Em" b>g e3 d |"A7" c>b a<g e>c |"D" d2 d4 ::"D" A>A d2 c2 | 
"Em" cB G4 |"A7" B>B c2 B2 |"D" BA F4 |"D" a>^g a2 g>a |"Em" b>g e3 d |"A7" c>b a<g e>c | 
"D" d z d4 :|  