Try this:
wavename=MyStyle.wav
;any text that comes after the semicolon (;) are "comments" which are ignored by Band-in-a-Box.
;"comments" are used to give you information and instructions on creating your RealDrums style.
;In addition, any text contained between the { and } characters are also ignored.
;For example {this text would be ignored, even if it were in the middle of a line}
;Scroll to the bottom of the text file for information on how the wave file should be arranged
Offset=-5 ;If the drum hits at beginnings of bars sound like they are "cut-off", enter a lower number (-7, -8, -9, etc.)
dBAdjust=0 ;If the drums sound too loud in Band-in-a-Box, enter a lower number (-1, -2, -3, etc.)
TimeSig=4 ;If your style is a waltz style, enter TimeSig=3 instead
;All drum patterns follow this template:
;pattern,{pattern type},{weight},{mask},{length},{wavefile bar#}
; Silent Count In -1 0, Post A Fill 1, Normal Playing A 2-7, Fill A 8, Post Fill A 9
; Normal Playing 10-15, Fill B 16, Aending 17, Bending 19, Shot 21, Shot 22
pattern,Count-in,0,5,0,2,-1
pattern,Aending,0,5,0,2,17
pattern,Bending,0,5,0,2,19
pattern,Fill,A,1,0,1,8
pattern,Fill,B,1,0,1,16
pattern,Normal,A,5,2,7,2
pattern,Normal,A,5,2,6,2
pattern,Normal,A,5,2,5,2
pattern,Normal,A,5,2,4,2
pattern,Normal,A,2,2,3,2
pattern,Normal,A,2,2,2,2
pattern,Normal,A,1,2,1,2
pattern,Normal,A,5,1,6,3
pattern,Normal,A,5,1,5,3
pattern,Normal,A,5,1,4,3
pattern,Normal,A,2,1,3,3
pattern,Normal,A,2,1,2,3
pattern,Normal,A,1,1,1,3
pattern,Normal,A,5,2,5,4
pattern,Normal,A,5,2,4,4
pattern,Normal,A,2,2,3,4
pattern,Normal,A,2,2,2,4
pattern,Normal,A,1,2,1,4
pattern,Normal,A,5,1,4,5
pattern,Normal,A,2,1,3,5
pattern,Normal,A,2,1,2,5
pattern,Normal,A,1,1,1,5
pattern,Normal,A,2,2,3,6
pattern,Normal,A,2,2,2,6
pattern,Normal,A,1,2,1,6
pattern,Normal,A,2,1,2,7
pattern,Normal,A,1,1,1,7
pattern,Normal,A,5,2,7,10
pattern,Normal,A,5,2,6,10
pattern,Normal,A,5,2,5,10
pattern,Normal,A,5,2,4,10
pattern,Normal,A,2,2,3,10
pattern,Normal,A,2,2,2,10
pattern,Normal,A,1,2,1,10
pattern,Normal,A,5,1,6,11
pattern,Normal,A,5,1,5,11
pattern,Normal,A,5,1,4,11
pattern,Normal,A,2,1,3,11
pattern,Normal,A,2,1,2,11
pattern,Normal,A,1,1,1,11
pattern,Normal,A,5,2,5,12
pattern,Normal,A,5,2,4,12
pattern,Normal,A,2,2,3,12
pattern,Normal,A,2,2,2,12
pattern,Normal,A,1,2,1,12
pattern,Normal,A,5,1,4,13
pattern,Normal,A,2,1,3,13
pattern,Normal,A,2,1,2,13
pattern,Normal,A,1,1,1,13
pattern,Normal,A,2,2,3,14
pattern,Normal,A,2,2,2,14
pattern,Normal,A,1,2,1,14
pattern,Normal,A,2,1,2,15
pattern,Normal,A,1,1,1,15
pattern,PostFill,A,8,0,8,1
pattern,PostFill,A,5,0,7,1
pattern,PostFill,A,5,0,6,1
pattern,PostFill,A,5,0,5,1
pattern,PostFill,A,5,0,4,1
pattern,PostFill,A,2,0,3,1
pattern,PostFill,A,2,0,2,1
pattern,PostFill,A,1,0,1,1
pattern,PostFill,A,8,0,8,9
pattern,PostFill,A,5,0,7,9
pattern,PostFill,A,5,0,6,9
pattern,PostFill,A,5,0,5,9
pattern,PostFill,A,5,0,4,9
pattern,PostFill,A,2,0,3,9
pattern,PostFill,A,2,0,2,9
pattern,PostFill,A,1,0,1,9
pattern,PostFill,A,8,0,8,17
pattern,PostFill,A,5,0,7,17
pattern,PostFill,A,5,0,6,17
pattern,PostFill,A,5,0,5,17
pattern,PostFill,A,5,0,4,17
pattern,PostFill,A,2,0,3,17
pattern,PostFill,A,2,0,2,17
pattern,PostFill,A,1,0,1,17
pattern,PostFill,B,8,0,8,19
pattern,PostFill,B,5,0,7,19
pattern,PostFill,B,5,0,6,19
pattern,PostFill,B,5,0,5,19
pattern,PostFill,B,5,0,4,19
pattern,PostFill,B,2,0,3,19
pattern,PostFill,B,2,0,2,19
pattern,PostFill,B,1,0,1,19
Shot,1,21,0,470,5,90
Shot,0,22,0,470,5,90
Shot,0,21,0,470,5,90
Shot,1,22,0,470,5,90