Method #1
When Where What Groups Performers
---------------here when

from 
 
thru
 

today
tomorrow
this weekend
next weekend
following weekend

next 7 days
next 14 days
next 30 days  
next 60 days

Monday
Tuesday
Wednesday
Thursday
Friday
Saturday
Sunday

Next Monday
Next Tuesday
Next Wednesday
Next Thursday
Next Friday
Next Saturday
Next Sunday
thru Sunday  
thru next Sunday
thru end of the month
thru end of year


thru January
thru February
thru March
thru April
thru May
thru June
thru July
thru August
thru September
thru October
thru November
thru December
thru July
thru August


---- Holidays-----
New Year's Day
President's Weekend
Labor Day
Mother's Day
Father's Day
Memorial Day
July 4th
Thanksgiving
Christmas
Christma
Columbus Day
St. Patricks Days
Juneteenth
MLK Day
Kwanzaa
New Year's Eve
Valentine's Events
Groundhog Day
EquinoxEquinox
First Day Spring
First Day Summer
First Day Autum
First Day Winter
St. Valentines Day
Chinese New Year
Labor Day
Election day Nov
Veterans Day
Palm Sunday
Yom Kipper
Rosh Hashanah
Flag Day
Canada Day
Vernal Equinox
Autumnal Equinox
Hannukah
Guy Fawkes Day
Shrove Tuesday
Ash Wednesday
Purim
Boxing Day
May Day

where colum what column groups performers
Method #1

This uses two outer containing divs and a single table.

This uses two nested tables with a containing div and works in IE, FF and Opera.