Having problems translating numerical data into Character values on LCD screen.

Thats seems a little beyond me at this time. Instead of an array could I just change the note values in the serial print code below to ASCll format? I feel like I might be complicating it more than I'm capable handling with my current experience. Just to give it a shot would the two arrays look something like this,

frecNoteArray[7]=[C D E F G A B];

frecOctaveNum[7]=[1 2 3 4 5 6 7];

so if the frequency is 294 (D4) than the index value would be (1,3) ?
For some reason I think the values start a 0 so two positions over is actually a one, I'm guessing..

/

/ UP TO THIS POINT IM GOOD. BELOW  IS WHERE IM HAVING TROUBLE.

    if (frequency > 15  && frequency < 34 );    

     Serial.print(C1);
    {              
        else if (frequency > 35 && frequency < 38 );
    }
        Serial.print(D1);
  {
        else if (frequency > 39 && frequency < 42 ):
        Serial.print(E1)
        else if (frequency > 42 && frequency < 46 );
         Serial.print(F1)
        else if (frequency > 46 && frequency < 52 );
         Serial.print(G1)
        else if (frequency > 52 && frequency < 58 );
        Serial.print(A1)
        else if (frequency > 58 && frequency < 63 );
         Serial.print(B1)
        
        
        else if (frequency > 63 && frequency < 69 );
         Serial.print(C2)
        else if (frequency > 69 && frequency < 78 );
         Serial.print(D2)
        else if (frequency > 78 && frequency < 84 ):
         Serial.print(E2)
        else if (frequency > 84 && frequency < 95 );
         Serial.print(F2)
        else if (frequency > 95 && frequency < 105 );
         Serial.print(G2)
        else if (frequency > 105 && frequency < 116 );
         Serial.print(A2)
        else if (frequency > 116 && frequency < 127 );
         Serial.print(B2)
        
        
        else if (frequency > 127 && frequency < 139);
         Serial.print(C3)
        else if (frequency > 139 && frequency < 155 );
         Serial.print(D3)
        else if (frequency > 155 && frequency < 170 ):
         Serial.print(E3)
        else if (frequency > 170 && frequency < 185 );
         Serial.print(F3)
        else if (frequency > 185 && frequency < 208 );
         Serial.print(G3)
        else if (frequency > 208 && frequency < 233 );
         Serial.print(A3)
        else if (frequency > 233 && frequency < 255 );
         Serial.print(B3)
        
         
        else if (frequency > 255 && frequency < 277 );
         Serial.print(C4)
        else if (frequency > 277 && frequency < 311 );
         Serial.print(D4)
        else if (frequency > 311 && frequency < 240 ):
         Serial.print(E4)
        else if (frequency > 240 && frequency < 370 );
         Serial.print(F4)
        else if (frequency > 370 && frequency < 415 );
         Serial.print(G4)
        else if (frequency > 415 && frequency < 466 );
         Serial.print(A4)
        else if (frequency > 466 && frequency < 515 );
         Serial.print(B4)
        
        
         
        else if (frequency > 515 && frequency < 555 );
         Serial.print(C5)
        else if (frequency > 555 && frequency < 622 );
         Serial.print(D5)
        else if (frequency > 622 && frequency < 645 ):
         Serial.print(E5)
        else if (frequency > 645 && frequency < 740 );
         Serial.print(F5)
        else if (frequency > 740 && frequency < 830 );
         Serial.print(G5)
        else if (frequency > 830 && frequency < 933 );
         Serial.print(A5)
        else if (frequency > 933 && frequency < 1027 );
         Serial.print(B5)
        
         
        else if (frequency > 1027 && frequency < 1109 );
         Serial.print(C6)
        else if (frequency > 1109 && frequency < 1244 );
         Serial.print(D6)
        else if (frequency > 1244 && frequency < 1370 ):
         Serial.print(E6)
        else if (frequency > 1370 && frequency < 1480 );
         Serial.print(F6)
        else if (frequency > 1480 && frequency < 1661 );
         Serial.print(G6)
        else if (frequency > 1661 && frequency < 1864 );
         Serial.print(A6)
        else if (frequency > 1864 && frequency < 2020 );
         Serial.print(B6)
        
         
        else if (frequency > 2020 && frequency < 2217 );
         Serial.print(C7)
        else if (frequency > 2217 && frequency < 2489 );
         Serial.print(D7)
        else if (frequency > 2489 && frequency < 2725 ):
         Serial.print(E7)
        else if (frequency > 2725 && frequency < 2960 );
         Serial.print(F7)
        else if (frequency > 2960 && frequency < 3322 );
         Serial.print(G7)
        else if (frequency > 3322 && frequency < 3729 );
         Serial.print(A7)
        else if (frequency > 3729 && frequency < 4500 );
         Serial.print(B7)
        
        
        
  
  //print results
  Serial.print(frequency);