Change notes on trumpet

these are the first twelve measures

♪ ♪ ♫ ♪ ♪ rest, half rest ♪ ♪ ♫ ♪ ♪ rest, half rest ♪ ♪ ♫ ♪ ♪

d d fd c d d d fd c d g g fd f g

♪ ♪ ♫ ♪ ♪ rest, rest ♫ ♪ ♪ ♪ rest ♪ ♪ ♪ rest ♪ ♪ ♫ ♪ ♪ rest, half rest, d d fd c d fg a a a g g g d d fd c d