     if (arduboy.pressed(DOWN_BUTTON))
     {
       initials[index]--;
-      tone(A2, 523, 250);
+      arduboy.audio.tone(1, 523, 250);
       if (initials[index] == ' ') {
         initials[index] = '?';
       }

                dx =- dx;
                xb += dx;
                bounced = true;
                tone(A2, 261, 250);
              }
            }
          }

      if (index < 2)
      {
        index++;
        arduboy.audio.tone(1, 1046, 250);
      } else {
        arduboy.audio.tone(1, 1046, 250);
        return;
      }
    }
