Question: The L. B. Day Amphitheatre, is an outdoor concert venue in Salem, Oregon, United States, within the Oregon State Fairgrounds, bands and performers that have played at the venue include which American rock band from the suburbs of Philadelphia, Pennsylvania?

Context articles: Michigan State Fairgrounds Coliseum
Stage AE
L. B. Day Amphitheatre
Mann Center for the Performing Arts
Cinderella (band)
Jerry Garcia Amphitheatre
Du Quoin State Fairgrounds
Oregon State University Marching Band
Mishawaka Amphitheatre
L. B. Day

Michigan State Fairgrounds Coliseum (also Hockeytown State Fair Coliseum) is a 5,600-seat multi-purpose arena in Detroit, Michigan.
 The coliseum, built in 1922, is part of the former Michigan State Fairgrounds where the Michigan State Fair was held until 2009, which is the oldest state fair in the United States.
 The coliseum has also been the long-time venue of the Detroit appearance of the Shrine Circus.
Stage AE is a multi-purpose entertainment complex located on the North Shore of Pittsburgh, Pennsylvania.
 It contains an indoor concert hall with room for 2,400 spectators and an outdoor amphitheatre that can accommodate 5,550.
 It is the second indoor/outdoor concert venue in America.
 Modeled after its predecessor, the LC Pavilion in Columbus, Ohio, Stage AE features state-of-the-art lighting, acoustical systems and an innovative reversible stage.
 Structurally, it's divided into three independent concert spaces: indoor music hall, indoor club and outdoor amphitheater.
 Stage AE is owned and operated by PromoWest.
The L. B. Day Amphitheatre (formerly the L. B. Day Comcast Amphitheatre) is an outdoor concert venue in Salem, Oregon, United States, within the Oregon State Fairgrounds.
 It was completed in 1987 with 9,000 seats, and named for L. B. Day, an Oregon State Senator and longtime supporter of the State Fair.
 In 1991, the venue was expanded to 14,000 seats to make it the largest arena of its type in Oregon at that time.
 The amphitheatre serves as the main stage when the State Fair is held in late August through Labor Day, and also hosts concerts at other times of the year.
 Bands and performers that have played at the venue include ZZ Top, Lynyrd Skynyrd, Cinderella, Queensrÿche, Heart, Ted Nugent, Charley Pride, and Ricky Skaggs.
 In 2005, the Oregon State Fair chose not to book national acts on the amphitheatre stage.
 Since 2013 major national acts have returned to the L. B. Day Amphitheatre.
The Mann Center for the Performing Arts (formerly known as the Mann Music Center) is a nonprofit performing arts center located in the Centennial District of Philadelphia's West Fairmount Park, built in 1976 as the summer home for the Philadelphia Orchestra.
 It is the successor in this role to the Robin Hood Dell, where the Philadelphians have given summer performances since 1935.
 It has since hosted numerous world-class artists and touring companies such as the American Ballet Theatre with Mikhail Baryshnikov, Marian Anderson, Leonard Bernstein, Buena Vista Social Club, Ray Charles, Judy Garland, the Metropolitan Opera, Mormon Tabernacle Choir, Paul Robeson, Itzhak Perlman, Lang Lang, Midori, and Yo-Yo Ma.
 Major Philadelphia premieres have included the Israel Philharmonic Orchestra, Bolshoi Ballet and Orchestra’s production of Spartacus, and Britain’s Royal Ballet’s productions of Romeo and Juliet and Swan Lake.
 Among the scores of award-winning popular artists presented by the Mann in recent years are Jack Johnson, Ed Sheeran, Phish, Tony Bennett, Mary J. Blige, Roger Daltrey, Bob Dylan, Furthur, Arcade Fire, Aretha Franklin, Herbie Hancock, Norah Jones, Diana Krall, Wynton Marsalis, Willie Nelson, Smokey Robinson, Jill Scott, James Taylor, Damien Rice, Alabama Shakes, Bon Iver, Lana Del Rey, The National, and Stevie Ray Vaughan.
 In 2010, 2011 & 2014, the Mann was nominated by Pollstar, a concert industry trade publication, as "Best Major Outdoor Concert Venue" in North America.
 The venue has a total seating capacity of approximately 14,000, with 4,743 seats under the roof and over 8,600 outside.
Cinderella is an American rock band from the suburbs of Philadelphia, Pennsylvania.
 The band emerged in the mid-1980s with a series of multi-platinum albums and hit singles whose music videos received heavy MTV rotation.
 Cinderella had a heavy metal sound initially before shifting to a more hard rock/blues rock sound.
 By the mid-1990s, the band's popularity declined severely due to personal setbacks, break-ups, and changes in the music industry.
 Nonetheless, after a hiatus, Cinderella reunited and has continued to tour, but has not recorded any studio material since the band's 1994 album "Still Climbing".
 The band has sold 15 million records worldwide, according to Tom Keifer's official website.
The Jerry Garcia Amphitheatre is an outdoor concert venue located in McLaren Park in San Francisco, California.
 The amphitheater's maximum capacity is 3,200 people.
 It is named after Grateful Dead band member Jerry Garcia, who once lived in the nearby Excelsior District neighborhood.
 It is the site of the annual Jerry Day event, at which various musical groups perform.
The Du Quoin State Fairgrounds are located in the city of Du Quoin in Perry County, Illinois, United States.
 The fairgrounds are located along U.S. Route 51 north of Illinois Route 14.
 The facilities include the DuQuoin State Fairgrounds Racetrack, an oval track that has hosted AAA, USAC and ARCA races since 1948.
 The fairgrounds are also home to a horse racing track which hosted the Hambletonian Stakes from 1957 to 1980 and the World Trotting Derby from 1981 to 2009.
With over 250 members, the Oregon State University Marching Band, ("OSUMB"), is the marching band of Oregon State University, known as the ""Spirit and Sound of OSU"."
 It was founded in 1891 making it the oldest band in the Pac-12.
 The Oregon State University Marching Band is the primary athletic band at Oregon State.
 In addition to the Oregon State University Marching Band, other athletic bands include Basketball Band, Rhythm & Beavs, Rhythm & Beavs: Travel Band, the Away Game Pep Band (for select away games), Alumni Band (the band that covers any games occurring prior to the start of the school term), Gymnastics Band (the ensemble that performs at home gymnastic meets; this ensemble also include alumni members), and Bar Band (a small ensemble that tours local bars on the day before a home football game).
 All band members are required to participate in marching band before they may be eligible to participate in any of the other bands Oregon State offers.
The Mishawaka Amphitheatre is a single stage outdoor concert venue located approximately 25 miles north-west of Fort Collins, Colorado, on Colorado State Highway 14.
 It is on the banks of the Poudre River.
 The restaurant is open year-round and the amphitheatre is open from May to September.
L. B. Day (February 22, 1932 – October 24, 1986) was an American labor union leader and elected official in the state of Oregon.
 Day served as an International Brotherhood of Teamsters official, state representative, state senator, and appointed official in both the Oregon state executive office and the U.S. Department of the Interior.
 A longtime supporter of the Oregon State Fair, the L. B. Day Comcast Amphitheatre on the Oregon State Fairgrounds in Salem is named in his honor.