Herman "Trigger" Alpert (born September 3, 1916) was an American jazz double-bassist. He was born in Indianapolis, Indiana.
Alpert attended Indiana University in the late 1930s and moved to New York City, where he played with Alvino Rey in 1940 and with Glenn Miller soon after. Over the course of the 1940s he played with Tex Beneke, Benny Goodman, Bud Freeman, Ella Fitzgerald, Muggsy Spanier, Roy Eldridge, Louis Armstrong, Ray McKinley, Bernie Leighton (1945–46), Frank Sinatra, Woody Herman, and Jerry Jerome. In the 1950s he worked with Artie Shaw, Coleman Hawkins, the Sauter-Finegan Orchestra, Mundell Lowe, Don Elliott, Gene Krupa, and Buddy Rich.
He released one album as a bandleader on Riverside Records in 1956, entitled Trigger Happy!. Tony Scott, Zoot Sims, Al Cohn, Joe Wilder, Urbie Green, and Ed Shaughnessy all appear on the album. In 1970 he left music and took up photography. - Wikipedia