Record Company United Artists Records, Inc.
Pressed By RCA Records Pressing Plant, Indianapolis
Test Pattern: this record is designed to balance your stereo equipment acoustically. On it, familiar instruments are played first on one channel, then on the other. This allows you to adjust the two channels so that volume and timbre are identical.
Titles- Record Sleeve: Laboratory Test Record Disc Labels Sound Showcase

A2: Track from Mister Percussion
A3: Track from Echoing Voices And Trombones
B1: Track from Dynamic Twin Pianos
B2: Track from Guitars, Woodwinds & Bongos
B3: Track from Blazing Latin Brass
Pressing Plant ID: I (Stamped in runout areas)
Matrix / Runout: WOS-7021 (Side A - label)
Matrix / Runout: WOS-7022 (Side B - label)
Matrix / Runout: WOS7021-3 (Side A - runout (Variant 1))
Matrix / Runout: WOS7022-2 // 1 (Side B - runout (Variant 1))
Matrix / Runout: WOS 7021-2 A1 I (A-Side Runout Etching (Variant 2))
Matrix / Runout: WOS 7022-2 A1 I (B-Side Runout Etching (Variant 2))