Develop a musical composition by utilizing the given alphabetic notation and supplied motif.
X:1
L:1/8
M:4/4
K:Ador
['GB A2', 'cA AG A2', 'BA GB']  
X:1
L:1/8
M:4/4
K:Ador
|:"Am" A2 eA BA eA | A2 eA"G" BA GB |"Am" A2 eA Bd ef |"G" ge dc BA GB :|"Am" A2 aA gA fA | 
 A2 eA"G" BA GB |"Am" A2 aA gA ef |"G" gf ge dB GB || |"Am" A2 aA gA fA | A2 eA"G" BA GB | 
"Am" AB cd ef ga |"G" ge dc BA GB |]:"Am" cA AG A2 AB | cA A2"G" BG Bd |"Am" cA AG A2 ef | 
"G" gf ge dB GB ::"C" c2 gc ac gc | c2 gc"G" BA GB |"C" c2 gc ac ga |"G" ge dc BA GB || 
"C" c2 gc ac gc |"C" c2 gc"G" BA GB |1"Am" AB cd"G" eg fa | ge dc BA GB :|2 |"Am" Aa (3aaa ag ea | 
"G" ge dc BA GB |]  