Question: Rio Grande Mud is the second album by an American rock band that was formed in what city?
Context: Rio Grande Mud is the second album by the American rock band ZZ Top.  It was released in 1972. Nenhum de Nós (Portuguese for None of Us) is a Brazilian pop rock band formed in 1986 in Porto Alegre, Rio Grande do Sul.  The band primarily consists of former Engenheiros do Hawaii member Carlos Stein (guitar), João Vicenti (keyboards), Sady Hömrich (drums), Thedy Corrêa (lead vocals) and Veco Marques (guitar).  One of the most famous Brazilian pop rock bands, they are well known for the song "Camila, Camila". William Frederick Gibbons (born December 16, 1949) is an American musician, singer, songwriter, producer, and actor, best known as the guitarist and lead vocalist of the American rock band ZZ Top.  He began his career in the Moving Sidewalks, who recorded "Flash" (1968) and opened four dates for the Jimi Hendrix Experience.  Gibbons formed ZZ Top in late 1969 and released "ZZ Top's First Album" in 1971.  The albums that followed, "Rio Grande Mud" (1972) and "Tres Hombres" (1973), along with extensive touring, solidified the group's reputation as a hard-rocking power trio. "Dino vs. Dino" is the debut single by Brazilian stoner rock band Far from Alaska, and the third track of their debut album "modeHuman".  The song received a promotional video, shot at the Dunas do Rosado Environmental Protection Area in Porto do Mangue, a municipality in the state of Rio Grande do Norte, where the group comes from.  It was released on 8 October 2013, with an exclusive premiere at Tenho Mais Discos que Amigos!  website. The Morakestra is an American rock band that was formed in El Paso, Texas in the year 2000.  The band started gaining more attention of the mainstream music scene after the release of the second album "Witness To Connection".  The album produced by Jim Ward (musician), and Gabriel Gonzalez of the band Sparta (band) has been acclaimed by several reviewers and identified by its "addictive guitar riffs" and its multi-genre nature.  The band has been categorized as a British music band by some reviewers for the style of guitar and the lyric content.  The band primarily performs with Fender equipment consisting of two Fender Stratocaster electric guitars played.  The band started promoting their second album in 2009 and gained fans one by one. Far from Alaska is a Brazilian rock band formed in 2012 in Natal, Rio Grande do Norte, and based in São Paulo, São Paulo. Kenneth Cordray (July 21, 1954 – May 21, 2017) was an American instrumental guitarist and songwriter, who shared the stage with notable musicians and performers such as John Mayall, John Lee Hooker, and Billy Gibbons of ZZ Top.  Cordray became the lead guitarist for "THE CHILDREN" under the ATCO label and later on ODE records produced by Lou Adler.  He co-wrote the song "Francine", which peaked at 69 on the Billboard Hot 100, with Steve Perron for ZZ Top's album "Rio Grande Mud". Chrome, Smoke & BBQ is a box set by American blues-rock band ZZ Top, released in 2003.  At the time of release, this box set was notable for using the original mixes for all of the tracks from the band's first five albums for the first time on the CD format.  This box set, and the companion release "Rancho Texicano", were the only two CD releases which featured original mixes from "ZZ Top's First Album", "Rio Grande Mud", and "Tejas", aside from 1977's "The Best of ZZ Top" which features two tracks from "Rio Grande Mud" and one track from "First Album". " Tres Hombres" and "Fandango! " were reissued in their original mixes in 2006, and in 2013, Warner Brothers released the CD box set 'The Complete Studio Albums 1970-1990' which includes the first ten ZZ Top studio albums, all with the original mixes. ZZ Top is a rock band formed in 1969 in Houston, Texas.  The band has, since 1970, consisted of bassist and lead vocalist Dusty Hill, guitarist and lead vocalist Billy Gibbons (the band's leader, main lyricist and musical arranger), and drummer Frank Beard.  "As genuine roots musicians, they have few peers," according to former musician, critic and collector Michael "Cub" Koda.  "Gibbons is one of America's finest blues guitarists working in the arena rock idiom [...] while Hill and Beard provide the ultimate rhythm section support." "Francine" is a song by the American rock band ZZ Top from their album "Rio Grande Mud", released in 1971.  "Francine" gave ZZ Top their first bona fide hit reaching #69 on the Billboards charts.  It is the only single released from the "Rio Grande Mud" album.  Dusty Hill also recorded a Spanish sung version as well, though Gibbons frequently handles the vocals on stage.  Various official ZZ Top releases throughout the years, beginning in 1972, have used the alternative spelling "Francene", especially on the various 45 releases both within and outside the United States.  The song was actually written by Steve Perron and Kenny Cordray.  They were not given credit for many years.
Answer: Houston