Question: Santana is a Latin music and rock band formed in San Francisco, California in 1966 by Mexican-American guitarist Carlos Santana. The band came to public attention with their performance of "Soul Sacrifice" at Woodstock in 1969. This exposure helped propel their first album, also named Santana, into a hit, followed in the next two years by Abraxas and Santana III. Lineup changes were common.

13 months after Caravanserai, Santana released Welcome. Welcome was the first of four consecutive albums to achieve gold certification, as opposed to the previous four, which all at least reached platinum status. The album peaked at number 25 on the Billboard 200, the lowest of the band's career so far. The next few albums contained a more experimental style than their previous work, beginning with Borboletta, which fared arguably worse than its predecessor, despite climbing five spots on the US charts.  The group's 1976 release, Amigos, was far more successful. Reaching number 10 on the US charts, and also hitting the top 10 in France, Australia, New Zealand, Austria and The Netherlands, it was a form of return to the success of their early albums. Festival, somewhat contradicted that new-found success, but was a short blip before another successful album, Moonflower, released in 1977. The album was possibly the most successful since Santana III, achieving 2x platinum in the US, and being the first album since 1974's Borboletta, to break the top 10 in the UK. It was characterized by a stylistic shift for the band, as it contained heavier influences from the more conventional sound of the group's early work, while still maintaining the experimental sound of their last few albums.  Their next two releases, Inner Secrets and Marathon, released in 1978 and '79, respectively, were a further musical shift for the band, moving away from the Latin-fused rock music that had characterized their work in the late 1960s and the majority of the '70s, to move towards a more album-oriented, conventional rock sound. These albums, however, fared poorly commercially, although both achieved gold status in the US.

Using a quote from the above article, answer the following question: Did they go on tour during this time?
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Question: Focus are a Dutch rock band formed in Amsterdam in 1969 by keyboardist, vocalist, and flautist Thijs van Leer. The band have undergone numerous formations in its history; since December 2016 it has comprised van Leer, drummer Pierre van der Linden, guitarist Menno Gootjes, and bassist Udo Pannekeet. Past members include guitarist Jan Akkerman and bassist Bert Ruiter. They have sold one million RIAA-certified albums in the United States.

Focus formed in mid-1969 by keyboardist, vocalist, and flautist Thijs van Leer, who recruited bass guitarist Martijn Dresden and drummer Hans Cleuver after he met them at sessions for the Jazz and Poetry radio program in Hilversum, Netherlands. The three went on to start a new three-piece band initially known as Thijs van Leer and the Rebaptised, playing a set formed mostly of cover songs by Traffic and original material mostly written by van Leer. In November 1969, during rehearsals at the theatre where van Leer performed as part of Ramses Shaffy's theatre group, they were joined by guitarist Jan Akkerman of the rock band Brainbox after Shaffy invited him to play with the trio. Van Leer later recalled the first try out session: "Jan came in and we jammed for hours, and it was really kicking". They then settled on the name Focus for the new band; Akkerman later said, "Focus is a Latin word that is the same in many languages. It means concentration, which is the meaning of what Focus does". Their first live gig as Focus followed at the Bird's Club in Rembrandtplein, and they soon secured a weekly residency playing two shows a night on two days. Early sets were mainly formed of covers, including "I Shall Be Released" by Bob Dylan, "A Whiter Shade of Pale" by Procol Harum and "Nights in White Satin" by The Moody Blues, mixed with original material, including van Leer's first song written with the group in mind, the instrumental "Focus".  In their search for more work and a steady income, Focus was chosen to play as part of the pit band for the Dutch production of the rock musical Hair produced by Welsh actor Victor Spinetti. They were invited to audition at the Victoria Ballroom, London after Dutch lyricist Lennaert Nijgh suggested them to Del Newman, the musical's director. Cast member Robin Lent claimed the production was suffering and Focus, taking part only for the money, "were also pretty rusty ... but this changed and everybody got into it". The show, launched in December 1969, involved six nightly performances a week and gave them space to rehearse in the afternoons for free and store their equipment. An album of the soundtrack featuring the band was recorded in February 1970 and released soon after by Polydor Records.  After Hair ended its run in June 1970, Focus declined an offer to tour the musical across the Netherlands for a year and a half and become a full time band. They had picked up more local gigs and dates across the country by this time, and had performed their first international gigs in Belgium and Spain. Their weekly earnings from gigs, plus their earnings from Hair, had reached 400 guilders though Akkerman recalled the group failed to appreciate its value and were quick to spend it. To manage their finances more carefully, Cleuver was chosen to oversee their earnings and expenses.

Using a quote from the above article, answer the following question: why did one band member decline to reunite?
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