Possibly not easily. The PICAXE dedicates itself to playing the note and that may disrupt the background servo pulse timing. You may be able to tweak the PAUSE time to reduce or avoid the jitter. Or you could try disabling the servo while playing a note.However, if I try to use servo/servopos, a pause, and a piezo (at another pin) with play-note I get a small 'jitter'. Could it be avoided?