Ruth Bergstrom Jones (Mrs. Edmund Jones) Lancaster, California Organist, pianist, violist. Member: American Guild of Organists, Music Teachers Assn. of Calif, National Assn. Church Musicians, National Adventist Musicians Assn. Substitute choir director/organist. Substitute organist 6 churches in Lancaster. On organ staff at Adventist Church. Vocal and organ teacher. Composer; Sibelius music writing program.