Music from the Freddie Slack's Orchestra who perform in a small town railroad station; Dancing from the Mercer Brothers, harmony from the vocal trio The Tanner Sisters (Betty Tanner, Martha ... Read allMusic from the Freddie Slack's Orchestra who perform in a small town railroad station; Dancing from the Mercer Brothers, harmony from the vocal trio The Tanner Sisters (Betty Tanner, Martha Tanner and Mickey Tanner), et al.Music from the Freddie Slack's Orchestra who perform in a small town railroad station; Dancing from the Mercer Brothers, harmony from the vocal trio The Tanner Sisters (Betty Tanner, Martha Tanner and Mickey Tanner), et al.