In this block of letters a complete poem is hidden.  Can you find it? 
Scroll to the bottom of the page for a CLUE.
Click HERE to see the poem highlighted in red.

REYWHOOXOOHZTAPYTAPYIPTHOUGHTLIMHEARDRSHKEGS
ODHATSPOOKYHNOISEKSOMETHINGOTHATIWHIRREDFDSW
OPFANDETAPPEDUAGAINSTXTHEGWINDOWGPANEWERTSTY
SKGLISTENERTHERETITRISSAGAINWEREASFGHJLSFECY
DKSISAITSTHETPECKINGZOFWAOBIRDRTRSKDJFPAOVBL
ODPSLKSJEHSUCNGKZLAOSPEOSKEHDJFNGYXILEKSOTRG
WOEOREBRANCHESROFSAYTREEOTOPPSTIRREDGHOUJKPS
POLORBTHESPATTERINGSOFORAINPOIGHJAICYZUSODSR
OPFJSKWHOOXOOHXTAPFTAPYUIAHJKDBAOIXUEBFJJCSO
UXISLKJHEPSLDKFJCVBWIUYRSPORIIOIUDYSLKJDUEIU
DEFISPEERKOUTSIDELINTOWTHESGLOOMWOIUFLKJFDSA
SDTBUTDTHEREDISTNOTHINGUTOSEXPLAINFJDCWRSZFH
ASDTHATTNOISEXNODWINDTORURAINPAOILKHTWXFTIOK
KLETHESWORLDUISUSILENTFASGADTOMBOPLKMBCGDSRY
WERTHATEMEANSSTHEYNOISEYISPINOMYXROOMWERUHYE
WWLOIXWHOOXOOHTYOTAPSTAPAEDSATRESRTYUIIOGFSS

CLUE:  The first line of the poem is "Whoo ooh tap tap I thought I heard"