adding defaults to music

libs/music/music.cpp

@@ -136,8 +136,8 @@ void playSample(Buffer buf) {
 
 /**
 * Play a tone through the speaker for some amount of time.
-* @param frequency pitch of the tone to play in Hertz (Hz)
-* @param ms tone duration in milliseconds (ms)
+* @param frequency pitch of the tone to play in Hertz (Hz), eg: Note.C
+* @param ms tone duration in milliseconds (ms), eg: BeatFraction.Half
 */
 //% help=music/play-tone
 //% blockId=music_play_note block="play tone|at %note=device_note|for %duration=device_beat"

package.json

@@ -45,7 +45,7 @@
     "webfonts-generator": "^0.4.0"
   },
   "dependencies": {
-    "pxt-common-packages": "0.20.30",
+    "pxt-common-packages": "0.20.31",
     "pxt-core": "3.7.1"
   },
   "scripts": {