After install just extract all files to your San Andreas/audio/steams and replace all in there if you are using a ripped version of San Andreas, should also reduce some lag you have.
http://files.filefront.com/Part+1rar/;13709308;/fileinfo.html
http://files.filefront.com/Part+2rar/;13711746;/fileinfo.html
http://files.filefront.com/Part+3rar/;13711747;/fileinfo.html
http://files.filefront.com/Part+4rar/;13716847;/fileinfo.html
http://files.filefront.com/Part+5rar/;13716853;/fileinfo.html