The Note "A Above Middle C" (With Frequency $440 \mathrm{~Hz}$ ) Is Note 69 in General MIDI

Essay

The note "A above Middle C" (with frequency $440 \mathrm{~Hz}$ ) is note 69 in General MIDI. What MIDI bytes (in hex) should be sent to play a note twice the frequency of (i.e., one octave above) "A above Middle C" at maximum volume on "Channel 1"? (Don't include start/stop bits.)
Information: An octave is 12 steps on a piano, i.e., 12 notes up.
(b) What bytes should be sent immediately after that?