Craft a musical composition that incorporates the supplied alphabet sequence and motif.
X:1
L:1/8
M:4/4
K:none
['', '|{GAG} A<a{g}', 'A2{gAd} A>B{gAGAG} A2{gBd} B{e}A', '(3Bcd B{GdG}e{g} (3edB{gBd} B{e}A{GAG}']  
X:1
L:1/8
M:4/4
K:none
"^A" |] d/ |{gBd} B3/2{e}A{g} (3A{d}A{e}A{g} (3B{d}A{e}A{gBd} B3/2{e}A | 
{g} (3G{d}G{e}G{gBd} B>A{gBd} A>G{gBd} G>d |1 
{gBd} B3/2{e}A{g} (3A{d}A{e}A{g} (3B{d}A{e}A{gBd} B>A | 
{g} B{GdG}e{g} (3edB{gBd} B{e}A{GAG} A3/2 :|2{g} e{GdG}e{gdc} d>B{gcd} c3/2{e}A{gBd} B3/2{e}G | 
{g} B{GdG}e{g} (3edB{gBd} BA{GAG} A"^B" |] B/ |{GAG} A<a{g} a>e{g} (3fga (3gfe | 
{gAGAG} A<a{g} a>e{gf} g2{afg} f>e |{GAG} A<a{g} a>e{g} (3fga (3efg | 
{a} (3edc{g} dcB{gBd} B{e}A{GAG} A>B |{GAG} A<a{g} a>e{gf} g>a (3gf{g}e | 
{GAG} A<a{g} a>e{gf} g2{a} (3efg | (3agf{a} (3gfe{g} (3fed{g} (3cde | 
{g} (3fec{g} (3dcB{gBd} B{e}A{GAG} A3/2"^C" |: B/ |{gAGAG} A2{gAd} A>B{gAGAG} A2{gBd} B{e}A | 
{g} (3G{d}G{e}G{gGd} G>B{Gdc} d>e{g} d{BG}B |1{gAGAG} A2{gAd} A>B{gAGAG} A2{gBd} B{e}A | 
{g} B{GdG}e{g} (3edB{gBd} B{e}A{GAG} A3/2 :|2{g} e>G{dc} d>G{g} (3Bcd{g} (3G{d}G{e}G | 
{g} B{GdG}e{g} (3edB{gBd} B{e}A{GAG} A3/2"^D" :| B/ |{g} (3G{d}G{e}G{gf} g>G{dc} d>G{gef} e>d | 
{g} (3B{d}B{e}B{Gdc} d>B{g} (3ege{g} (3dB{G}B |1{g} (3G{d}G{e}G{gf} g>G{dc} d>G{g} (3Bcd | 
{g} B{GdG}e{g} (3edB{gBd} B{e}A{GAG} A3/2 :|2{gf} g>a (3fed{g} (3efg{g} (3Bcd | 
{g} B{GdG}e{g} (3edB{gBd} B{e}A{GAG} A3/2 |]  