Question: What American Jazz pianist toured with an American musician who is best known as a trumpet playing band leader who led a big band from 1939 to 1946 and ended his career as the leader of the house band at the Cantina Room of the Continental Plaza Hotel?

Context paragraphs:
Pat Barberot: Pat Barberot (d. 2007) was an American band leader.  He was the founder and band leader of one New Orleans' longest running big bands, the Pat Barberot Orchestra.  From 1940 until 2007, Barberot's band, with his saxophone out front, performed its own arrangements of classics including the big band composers Glenn Miller, Stan Kenton, Louis Prima, and Sy Oliver.  In 1970, Barberot realized that venues for big band were fading away, so he opened his own club, The Jefferson Orleans North.  There his band performed big band hits including "In The Mood", "Moonlight Serenade", "Sing, Sing, Sing (With a Swing)", "Midnight Tango" and "Eager Beaver" at their weekly concerts for over 35 years.

Toshiko Akiyoshi discography: Since her debut recording for Norgran Records in 1954, jazz pianist, composer, arranger and big band leader Toshiko Akiyoshi has recorded continuously – almost exclusively as a leader of small jazz combos and of her big bands – averaging one studio album release per year for well over 50 years.  She has also recorded several live albums in solo, small combo and big band settings, including three big band concert videos.  Akiyoshi has released multiple albums for Victor / BMG, Nippon Columbia, Toshiba, Discomate, Nippon Crown and other labels in Japan and for Norgran / Verve, RCA, Columbia / Sony, Concord and her own Ascent label in the US.  All of her big band recordings and nearly all of her other early works have been re-issued on CDs over the years.

Bob Acri: Robert R. "Bob" Acri (October 1, 1918 – July 25, 2013) was an American Jazz pianist.  Bob graduated from Austin High School in Chicago.  While at Austin High, he began his career at the NBC Orchestra on the Dave Garroway Radio Show.  He was a classically trained pianist, studying with Rudolph Ganz and Fred Euing.  He also studied composition with Dr. Karel Jirak and Bill Russo.  During his career he played in the radio orchestras of NBC and ABC, as well as in the House Band of the Chicago nightclub Mister Kelly's.  He toured with Harry James and accompanied Lena Horne, Mike Douglas, Ella Fitzgerald, Barbra Streisand, Buddy Rich, and Woody Herman.  He earned his Bachelor's of Music and Master's of Music degree from Roosevelt University when he was in his late 70s.  He ended his career as the leader of the house band at the Cantina Room of the Continental Plaza Hotel.

Irving Aaronson: Irving A. Aaronson (February 7, 1895 – March 10, 1963) was an American jazz pianist and big band leader.

Harry James: Harry Haag James (March 15, 1916 – July 5, 1983) was an American musician who is best known as a trumpet playing band leader who led a big band from 1939 to 1946.  He broke up his band for a short period in 1947 but shortly after he re-organized and was active again with his band from then until his death in 1983.  He was especially known among musicians for his astonishing technical proficiency as well as his superior tone, and was extremely influential on up and coming trumpet players from the late 1930s into the 1940s.  He was also an actor in a number of motion pictures that usually featured his bands in some way.

Lin Biviano: Franklin "Lin" Biviano is an American jazz trumpeter best known for his powerful lead trumpet playing with Buddy Rich, Count Basie, and Maynard Ferguson.  He has also played and recorded with Hoagy Carmichael, Jo Ann Castle, Bill Chase, Buddy DeFranco, Jimmy Dorsey, Ella Fitzgerald, Woody Herman, Milt Jackson, Harry James, Stan Kenton, Glenn Miller, Frank Sinatra, Steve Smith, Mel Tormé, Sarah Vaughan, Fats Waller, and Lawrence Welk, mostly playing lead trumpet.  From 1974-1976 he led his own big band; they toured the East Coast and recorded a demo.

Xavier Davis: Xavier Davis (born 1971 in Grand Rapids, Michigan) is an American jazz pianist, composer, arranger, producer, and music educator who leads the Xavier Davis Trio.  In addition to performing with the Christian McBride Big Band and other groups as a side man.  In 2014 he was appointed Associate Professor of Jazz Piano at Michigan State University.  He previously taught at the Juilliard Jazz program at the Juilliard School for six years.  He performed on the Grammy-winning album "The Good Feeling" with the Christian McBride Big Band.  Davis was the Musical Director for the Boys Choir of Harlem for the 1999-2000 season.  He appeared on the television series Cosby as a pianist.

Rich Matteson: Rich A. Matteson, (born Richmond Albert Matteson, January 12, 1929, Forest Lake, Minnesota – June 25, 1993, Jacksonville, Florida) was an American jazz artist, collegiate music educator, international jazz clinician, big band leader, and jazz composer/arranger.  Euphonium was his primary instrument, although Matteson was proficient on several other low brass instruments, particularly bass trumpet, valve trombone, tuba, and Helicon.  He also was a proficient jazz pianist.  Except for Kiane Zawadi, Matteson was the only significant euphonium soloist in jazz.

Magic City Jazz Orchestra: The Magic City Jazz Orchestra (MCJO) is an American jazz ensemble which was founded in 1999 as a spin-off of the SuperJazz Big Band (formerly UAB SuperJazz) by Birmingham, Alabama jazz pianist and vocalist Ray Reach.  The mission of the group is to "...perform and record big band jazz music written by well known but under-recorded jazz artists."  (From the Mission Statement of the MCJO bylaws.)

Mike Barone: Mike Barone is an American jazz musician and big band leader.  His Mike Barone Big Band became one of the best known West Coast big bands, from early days playing at Donte's in North Hollywood in the late sixties.  Barone's brother, Gary Barone, is a trumpeter.

Supporting paragraphs: Bob Acri Harry James
Answer: Robert R. "Bob" Acri