Unusual types of gramophone records Hi-Fi was a system of proprietary records and players designed for use in automobiles, utilizing a slower play speed and high stylus pressure. With their origin stretching back to the dawn of recorded sound at the turn of the 20th century, flexible recording media have been made from a variety of materials including foil, paper, and–in the 1950s–thin flexible vinyl known as flexi discs. Thin, flexible paper-based records were briefly popularized in the 1930s by Hit of the Week Records and Durium Records. "Melody Cards" were popular in the late 1950s. They took the form of an oversized rectangular postcard
Sometimes I'm Happy (Sometimes I'm Blue) a duet by Baur and Gladys Rice on Columbia Records (catalog number 998-D) and a vocal by Vaughn De Leath on Brunswick Records (catalog number 3608) also had a significant degree of popularity. A number of other recordings were made in 1927 (see below), and the tune has become a standard, recorded by many artists since that time. It appeared as the B-side of the landmark 1935 recording of "King Porter Stomp" by Benny Goodman and his orchestra (released July 31 as Victor 25090). Sometimes I'm Happy (Sometimes I'm Blue) "Sometimes I'm Happy" is a popular song. The music was