- Elvis Presley Road Shows split-lead trumpet (1976 -1977)
- Stan Kenton Orchestra split lead trumpet (1978 – final band)
- Dunes Hotel, Las Vegas Casino de Paris Show
- Desert Inn Hotel
- MGM Grand Hotel
- Sands Hotel
- Harrah’s Hotel, South Lake Tahoe
Additionally, Bruce has performed in back-up bands for: Tony Bennett, Glenn Campbell, Wayne Newton, The Temptations, Little Richard, James Brown, Tennessee Ernie Ford, Robert Goulet, Juliet Prowse, The Ames Brothers, Melissa Manchester, Roberta Flack, Peabo Bryson, Aaron Neville
- 37 Years brass teaching experience
- Owner of Bruce Haag Brass Studios 1996 to present
- Founder- Director of the Pioneer Family Academy Band, Campbell CA
- Staff at Claude Gordon International Brass Workshops from 1984 -1993. Bruce taught application classes, lectured and performed.
- Certified Claude Gordon Brass Teacher
- Concert Tour of Western Europe 1969 with guest artist and legendary virtuoso Raphael Mendéz.
- Home Church, Campbell CA, Horn Section Lead 1983-2005
- Stan Kenton: “A Time For Love,” Stan Kenton: “The Lost Concert,”
- Elvis Spring Tours 77, Elvis Rockin’ Across Texas, Elvis Amarillo
- De Anza College, Cupertino CA 1972 -1974 Dean’s Honor List
- University of Nevada Las Vegas 1974 -1975 Dean’s Honor List
- Private Instruction – Claude Gordon (Trumpet Virtuoso, 1st Trpt. CBS, Author) 15 years of lessons between 1971 and 1994.
- Private Instruction – Ron Puckett (1st Trpt. Sands Hotel Las Vegas and 1st Trpt Paul Anka) 1974 -1975
- Private Instruction – Raphael Mendéz (“The World’s Greatest Trumpeter”) 1969-1970