The answer is MCMILLAN
The corresponding square is ST. JAMES
   by Chris Morse and Ray Jones

The sound file is made up of clips from TV show themes in the
following sequence (apologies for the naming):

AmericanBandstand.mp3
Hart_to_Hart.wav
Perry_Mason.mp3
barneymiller.mp3
Chicago_Hope96.mp3
young.wav
wkrp.wav
quincy.wav
Northern_Exposure.mp3
knight.wav
sesame.wav
jeannie.wav
Dynasty.mp3
buffy.wav
Different_Strokes.wav
jeffsons.wav
Dukes_of_Hazard.au
Xena.wav
Golden_Girls.mp3
sanford.wav
Get_Smart.wav
threes.wav
LandLost.mp3
Are_You_Being_Served.mp3
smk_theme.wav
silverspoons.mp3
Highlander.au
gunsmoke.wav
MiamiVice.wav
ga01.wav
space1999.wav
Inspector_Gadget.au
rockford.mp3
InLivingColor.mp3
WonderWoman.mp3
Xtheme1.wav
Facts_of_life.mp3
stelse.wav
Degrassi_Jnr_High.mp3
Hill_Street_Blues.au
fktheme.wav


Reverse alphabetized and put in the grid:

Young and the Restless(the)- 18 - S
X-Files(the)- 3 - I
Xena: Warrior Princess - 1 - X
Wonder Woman - 8 - O
WKRP in Cincinnati - 9 - N 
Three's Company - 5 - E
St. Elsewhere - 5 - S
Space 1999 - 5 - E
Silver Spoons - 4 - V
Sesame Street - 10 - E
Scarecrow and Mrs. King - 11 - N
Sanford and Son - 4 - F
Rockford Files(the) - 6 - O
Qunicy - 2- U
Perry Mason - 3 - R
Northern Exposure - 8 - N
Miami Vice - 5 - I
Land of the Lost(the) - 3 - N 
Knight Rider - 10 - E
Jeffersons(the) - 4 - F
Inspector Gadget - 1 - I
In Living Color - 5 - V
I Dream of Jeannie - 10 - E
Hill Street Blues - 10 - T
Highlander - 4 - H
Hart to Hart - 9 - R
Gunsmoke - 8 - E
Green Acres - 9 - E
Golden Girls - 11 - S
Get Smart - 2 - E
Forever Knight - 5 - V
Facts of Life(the)  - 11 - E
Dynasty - 3 - N
Dukes of Hazzard(the) - 10 - Z 
Diff'rent Strokes - 14 - E
DeGrassi Junior High - 14 - R
Chicago Hope - 9 - O
Buffy the Vampire Slayer - 4 - F
Barney Miller - 8 - I
Are You Being Served? - 15 - V
American Bandstand - 3 - E


Spelling out: 617-495-3705
Calling this number yeilds Jaci's work, and the word MCMILLAN