American accordionists

Ventura Martínez Alonzo (December 30, 1904 – December 14, 2000) was a Mexican-born American musician. She was known as the "Queen of the Accordion".She was born Ventura Martínez in Matamoros and moved to Brownsville, Texas with her family in 1909. Her father taught her to play the piano. The family lived in Kingsville for several years before moving to Houston in 1917. Alonzo married a man named Gallegos. Together, they had 3 sons. The couple later divorced and she married Frank Alonzo in 1931. The couple formed a group known as Alonzo y Sus Rancheros; she played accordion and piano and was lead vocalist. They recorded for Falcon Records and a number of other record labels. After World War II, the group changed its name to Alonzo y su Orquesta; they performed throughout Texas. In 1956, the couple opened the La Terraza ballroom in Houston, catering to customers of Mexican descent. They retired from performing in 1969.In 2002, she was inducted into the Tejano R.O.O.T.S. Hall of Fame.

Jo Ann Castle (born September 3, 1939) is an American honky-tonk pianist, best remembered for appearing on The Lawrence Welk Show. She adopted her stage name from the name of an accordion manufacturer, another instrument she played proficiently. She was often referred to as "Queen of the Honky-Tonk Piano" by Lawrence Welk himself.
Originally introduced to Welk by Joe Feeney in 1959, Castle became a permanent member of the Welk Family, replacing the departing Big Tiny Little. Shortly after joining the Show, Castle married cameraman Dean Hall. They divorced in 1966 after having a daughter. Castle married again in 1968 and had a son and a daughter. Castle left the Welk Show in 1969 and divorced in 1971. Her third marriage, in 1978, ended in 1986.
In the 1990s, Castle performed at the Welk-owned Champagne Theater in Branson, Missouri, as well as making a guest appearance for a show with Jimmy Sturr and His Orchestra on RFD TV.
On September 3, 2011, Castle married her fourth husband, Lin Biviano, who was a trumpet player from Boston.