Multiplicate por cero y desaparece :)

'\x3cscript type=\x22text/javascript\x22 language=\x22javascript\x22 src=\x22http://assets.tumblr.com/javascript/tumblelog.js?924\x22\x3e\x3c/script\x3e\x3cspan id=\x22audio_player_16129839366\x22\x3e[\x3ca href=\x22http://www.adobe.com/shockwave/download/download.cgi?P1_Prod_Version=ShockwaveFlash\x22 target=\x22_blank\x22\x3eFlash 9\x3c/a\x3e is required to listen to audio.]\x3c/span\x3e\x3cscript type=\x22text/javascript\x22\x3ereplaceIfFlash(9,\x22audio_player_16129839366\x22,\'\\x3cdiv class=\\x22audio_player\\x22\\x3e\x3cembed type=\x22application/x-shockwave-flash\x22 src=\x22http://assets.tumblr.com/swf/audio_player.swf?audio_file=http://www.tumblr.com/audio_file/16129839366/tumblr_ly2aajzUOr1qgq0ux\x26color=FFFFFF\x22 height=\x2227\x22 width=\x22207\x22 quality=\x22best\x22 wmode=\x22opaque\x22\x3e\x3c/embed\x3e\\x3c/div\\x3e\')\x3c/script\x3e'