Does sound initiate any chemical reactions in your brain ?

Well i know music does.... but never experienced this kinda sudden shoot in the energy levels from a dull day to a totally beautiful day....

.... there was this totally dull and grumpy day since yesterday morning..
i tried a lot of stuff.... drank tea... had good food.... played 6 games of TT .... slept well for 7 hrs... in short... all things.. that... generally i feel happy about.... :D

everything done!!! and still not pepped up....

n by afternoo0n today i was just trying to lighten up the mood by... listening to this song....
Vaadi Vaadi Vaaadi... kaipadatha Ceedey... from.... Tamil movie Sachin.....

first of all subconsciously.... i was tapping my foot and wanted to dance.... (on this grumpy day ?????) .... n by the time the song is done.... i m already express charged up for the whole day... with extra energy... even...
how could this happen.... is it the sound beats... more specifically... the ... dappanguthu beats ? n vijay's peppy voice..... (well i like vijay n dappanguthu.... n of course... the combi is too good too .. :-p)

may be i was not thinkin too much about anything... thats y.. but it was like... the other songs... dint... do anythin... not even a jig... so it is specifically that.. the brain ,.,, was reacting differently to this song.... lemme put is as the beats to be specific... i have not heard this song since sometime also..... nor is it kinda my most fav song..... but it was enuf to pump up enuf blood to the brain..... n wake it up.... with so much of energy.,.,. i guess.. some chemical reaction tooo...... due to the sounds...... watever it was... it was a phenomenal.,.. change....

Well i will leave it there... n still keep admiring the mysteries of my master.... ;)

The knowing vs Doing gap