support for setting music pin using analogSetPitchPin

docs/reference/music/play-tone.md

@@ -25,6 +25,15 @@ let freq = music.noteFrequency(Note.C)
 music.playTone(freq, 1000)
 ```
 
+
+### Using other pins
+
+Use [analogSetPitchPin](/pins/analog-set-pitch-pin) to change that pin used to generate music.
+
+```blocks
+pins.analogSetPitchPin(AnalogPin.P1);
+```
+
 ### See also
 
 [rest](/reference/music/rest), [ring tone](/reference/music/ring-tone) , [tempo](/reference/music/tempo), [set tempo](/reference/music/set-tempo), 

docs/reference/music/ring-tone.md

@@ -32,6 +32,14 @@ basic.forever(() => {
 })
 ```
 
+### Using other pins
+
+Use [analogSetPitchPin](/pins/analog-set-pitch-pin) to change that pin used to generate music.
+
+```blocks
+pins.analogSetPitchPin(AnalogPin.P1);
+```
+
 ### See also
 
 [rest](/reference/music/rest), [play tone](/reference/music/play-tone),

docs/reference/pins/analog-pitch.md

@@ -1,6 +1,7 @@
 # Analog Pitch
 
-Emits a Pulse With Modulation (PWM) signal to the current pitch [pin](/device/pins). Use [analog set pitch pin](/reference/pins/analog-set-pitch-pin) to set the current pitch pin.
+Emits a Pulse With Modulation (PWM) signal to the pin ``P0``.
+Use [analog set pitch pin](/reference/pins/analog-set-pitch-pin) to set the current pitch pin.
 
 ```sig
 pins.analogPitch(440, 300)
@@ -17,6 +18,7 @@ pins.analogPitch(440, 300)
 pins.analogSetPitchPin("P0")
 let frequency1 = 440
 let duration = 1000
+pins.analogSetPitchPin(AnalogPin.P1);
 pins.analogPitch(frequency1, duration)
 ```