We previewed Saturday night's concert by the Racine Choral Arts Society .... "Gospel Fusion" ...... with Jim Schatzman, the founder and artistic director of the group. Also participating- Pat Badger, associate director of the Racine CAS - and Ella Richardson, a member of the Greater Mount Eagle Baptist Church Choir, which is joining with the CAS in the Alpha Mass. She was a participant in the 1990 concert when Burleigh's Alpha Mass was first performed in Racine.