Compose a tune that integrates the letter-based representation of the determined musical pattern and the given melodic idea.
X:1
L:1/8
M:2/4
K:D
['a>f da fa', 'e>f d3']  
X:1
L:1/8
M:2/4
K:D
 f/e/"A" |"D" df"^(A7)" AB/c/ |"D" d2"^(A7)" Ag |"D" f>e"Bm" df |"Em" fe"A7" ef/e/ | 
"D" df"^(A7)" AB/c/ |"D" d2"^(A7)" Ag |"D" f2"A7" e>f |"D" d3 :| f/g/"^B1" |"D" a>f da | fa de/f/ | 
"A7" g>e ce |"E7" Be"A7" Af/g/ |"D" a>f da | fa dg | f2"A7" e>f |"D" d3 || f/g/"B2" |"D" a>f da | 
 fa de/f/ |"A7" g>e ce |"E7" Be"A7" Af/e/ |"D" df"^(A7)" AB/c/ |"D" d2"^(A7)" Ag |"D" f2"A7" e>f | 
"D" d3 |]: f/e/"C" |"D" dA"G" BG |"D" A2"G" d>B |"D" A>B"Bm" df |"Em" fe"A7" e/g/f/e/ | 
"D" dA"G" BG |"D" A2"G" dg |"D" f2"A7" e>f |"D" d3 :: g"D" |"D" fa fd | A2"G" d>B |"D" A>B"Bm" df | 
"Em" fe"A7" eg |"D" fa fd | A2"G" d>g |"D" f2"A7" e>f |"D" d3 :|  