pause-play-pause-play hangs sometimes

I've recorded some MP3s encoded with lame as follows (tested these options):

lame -b48 --lowpass 12 -q0 -a -mm file.wav file.mp3
lame -b64 --lowpass 12 -q0 -a -mm file.wav file.mp3
lame -b48 -q0 -a -mm file.wav file.mp3
lame -b48 -q0 -mm file.wav file.mp3

The file plays perfectly nice. But when I pause and quite fast press play again then sometimes the playback hangs. It repeats the last sound loop multiple times until the end of the file. Something like 'ra ra ra ra ra ra ra ra' etc. depending on the sound last heard.

Debug console output:

SMSound._onfinish(): "audio_item_139"
SMSound.resume()
SMSound.togglePause()
SMSound.pause()
SMSound.resume()
SMSound.togglePause()
SMSound.pause()
SMSound.resume()
SMSound.togglePause()
SMSound.pause()
SMSound.play(): "audio_item_139"
soundManager.stopAll()
SMSound._onfinish(): "audio_item_139"
SMSound.resume()
SMSound.togglePause()
SMSound.pause()
SMSound.resume()
SMSound.togglePause()
SMSound.pause()
SMSound.resume()
SMSound.togglePause()
SMSound.pause()
SMSound.play(): "audio_item_139"
SMSound._onload(): "audio_item_139" loaded.
soundManager.load(): /files/f7x0kyhf1.mp3
SMSound() merged options: { id: audio_item_139, url: /files/f7x0kyhf1.mp3, autoLoad: true, autoPlay: false, stream: false, onfinish: { _showPlay(baseElm);}... }, onstop: { _showPlay(baseElm);}... }, onload: { this.play();}... }, onbeforefinishtime: 5000, onjustbeforefinishtime: 200, multiShot: true, pan: 0, volume: 100 }
soundManager.createSound(): audio_item_139 (/files/f7x0kyhf1.mp3)
"audio_item_139" is an invalid sound ID.
soundManager.onload() complete
soundManager.initComplete(): calling soundManager.onload()
soundManager: Waiting for window.onload()
-- SoundManager 2 loaded (OK) --
(Flash): Enabling polling
Flash security sandbox type: remote
(Flash): _externalInterfaceTest(): JS to/from Flash OK
Attempting to call Flash from JS..
-- soundManager.init() --
soundManager._externalInterfaceOK()
(Flash): Flash to JS OK
soundManager._initMovie(): Waiting for ExternalInterface call from Flash..
soundManager._initMovie(): Got EMBED element (created via JS)
soundManager._createMovie(): Trying to load /sm2.95a/soundmanager2.swf
-- SoundManager 2 V2.95a.20090501 (AS2/Flash 8) --

What can I try to fix this?

Download the file here: http://inovia.nl/1250179236.mp3