[3][4]: 70  The organization canvassed nearly every city in the United States, often door-to-door, selling both their Oahu-brand instruments and lessons for young people to join their weekly classes.

In the Great Depression of the 1930s, many Americans had little money to spend on extra items such as musical instruments, but acoustic steel guitars were available for the relatively low price of seven dollars, including case, bar, picks, nut adapter, and lessons.

[4]: 70  In 1930, he rented space in a nice area of Cleveland and announced the opening of the Oahu school with heavy advertising promotion.

[4]: 71  Stanley sold his dealers nearly everything for the studios, including instruments, cases, music, strings, picks, bars, amplifiers and even folding chairs.

[6] Alkire performed a nationwide NBC and CBS show of Hawaiian music with the Oahu Serenaders broadcast from Cleveland.

The company sold guitars, amplifiers, sheet music, and accessories[7] Their acoustic Oahu-brand instruments were made for them by several manufacturers including Kay (Harmony, Valco) and Rickenbacker.

[8][4]: 72 One of Oahu's young pupils in the 1930s was Herb Remington, who became a noted steel guitarist for Bob Wills and the Texas Playboys.

[12]: 246  He went on to perform professionally with country artists including Red Foley, Little Jimmy Dickens, and Chet Atkins on the road and in recording sessions.

[14] Isaacs made country music history in 1954 as the first person to play pedal steel guitar on a hit record.