Question:
A marching band is a group in which instrumental musicians perform while marching, often for entertainment or competition. Instrumentation typically includes brass, woodwind, and percussion instruments. Most marching bands wear a uniform, often of a military style, that includes an associated school or organization's colors, name or symbol. Most high school marching bands, and some college marching bands, are accompanied by a color guard, a group of performers who add a visual interpretation to the music through the use of props, most often flags and rifles.
Traditional Style bands, also known as Show Bands, are marching bands geared primarily towards crowd entertainment and perform on football fields. Typically, they perform a routine before the game, another at halftime, and sometimes after the game as well. Competitive show bands perform only one show that is continually refined throughout a season, while bands that focus on entertainment rather than competition usually perform a unique show for each game. These shows normally consists of three to five musical pieces accompanied by formations rooted in origin from Patterns in Motion, a book penned by band director William C. "Bill" Moffit, bandmaster of Purdue University All-American Marching Band and University of Houston Spirit of Houston. A recognizable style of show band is the one fielded by historically black colleges and universities (HBCUs). HBCU bands utilize the traditional "ankle-knee" high step and music selections are largely based on R&B, hip-hop, and contemporary popular music. In addition to traditional drill formations, HBCU bands feature heavily choreographed dance routines as part of their performances. Many of these bands may have a twirler line and/or a dancer line, but not necessarily flag twirlers. One of the most notable depictions of HBCU bands is the film Drumline. HBCU bands are a significant part of African-American musical culture and HBCU bands often surpass their associated football teams in popularity, a phenomenon that is uncommon among collegiate and high school marching bands. In 1989, as part of the celebrations for the bicentennial of the French Revolution, the Florida A&M University Marching 100, one of the most prolific HBCU bands in the country, was selected as the official representative of the United States in the bicentennial parade. Another style of show band is that used by many of the Big Ten Conference marching bands, a semi-military and semi-corps style. These bands perform a show that is designed to entertain the audience, but feature more traditional symphonic styles of music (marches, film scores, jazz, or older pop music) as well as some contemporary music. Big Ten style show bands have been influential in creating some of the earliest marching band innovations, and the style is used in high schools throughout much of the United States. Most show bands of either type include the traditional military band instrumentation of woodwinds, brass, and battery percussion. Some also include the front ensemble keyboard percussion, and may also incorporate the use of a color guard for flag, and rifle routines as well as a dance line.
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When did they typically perform?

Answer:
Typically, they perform a routine before the game, another at halftime, and sometimes after the game as well.

Question:
The Grand Ole Opry is a weekly country-music stage concert in Nashville, Tennessee, which was founded on November 28, 1925, by George D. Hay as a one-hour radio "barn dance" on WSM. Currently owned and operated by Opry Entertainment (a division of Ryman Hospitality Properties, Inc.), it is the longest-running radio broadcast in US history. Dedicated to honoring country music and its history, the Opry showcases a mix of famous singers and contemporary chart-toppers performing country, bluegrass, Americana, folk, gospel, and comedic performances and skits. It attracts hundreds of thousands of visitors from around the world and millions of radio and Internet listeners.
Following the departure of the Opry, Ryman Auditorium sat mostly vacant and decaying for twenty years. An initial effort by National Life & Accident to tear down the Ryman and use its bricks to build a chapel at Opryland USA was met with resounding resistance from the public, including the influential musicians of the time. The plans were abandoned, and the building remained standing with an uncertain future. Despite the absence of performances, the building still held such significance as an attraction that it would remain open for tours. In 1991 and 1992, Emmylou Harris performed a series of concerts there and released some of the recordings as an album entitled At the Ryman. The concert and album's high acclaim renewed interest in reviving Ryman Auditorium as an active venue. Beginning in September 1993, Gaylord Entertainment undertook a full renovation of the Ryman, restoring it into a world-class concert hall that reopened with a broadcast of A Prairie Home Companion on June 4, 1994. On Sunday, October 18, 1998, the Opry held a benefit show at Ryman Auditorium, marking its return to the venue for the first time since its final show on March 15, 1974. The show was well received by fans, performers, and management alike, and so the decision was made to host the Opry's regular shows there on January 15 & 16, 1999 as part of the celebration to commemorate 25 years at the new venue. Beginning in November 1999, the Opry was held at Ryman Auditorium for three months, partly due to the ongoing construction of Opry Mills. The Opry has returned to the Ryman for the three winter months every year since, allowing the show to acknowledge its roots while also taking advantage of a smaller venue during an off-peak season for tourism. While still officially the Grand Ole Opry, the shows there are billed as Opry At The Ryman. From 2002 to 2014, a traveling version of the Radio City Christmas Spectacular took up residence at the Grand Ole Opry House each holiday season while the Opry was away. It was replaced by Dr. Seuss' How the Grinch Stole Christmas! The Musical beginning in 2015.
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How was it revived?

Answer:
In 1991 and 1992, Emmylou Harris performed a series of concerts there and released some of the recordings as an album entitled At the Ryman.