[9] Ferera first visited mainland United States as part of the Keoki E Awai troupe, which had been booked to entertain at the Panama-Pacific International Exposition.

[10] The band's performance was witnessed by Thomas Edison, who issued two solo songs by Ferera on his record label.

On December 12, 1919, Frank and Helen were on board the steamship SS President, from Los Angeles back to their home in Seattle.

[12] In 1924, Frank played guitar accompaniment to Vernon Dalhart's ballad "Wreck of the Old 97" (Victor Record No.

While Ferera was the first commercially successful Hawaiian recording artist in the teens, by the late 1920s, a new wave of steel guitarists, including Sol Hoʻopiʻi, were upstaging him.