Question: Era One is the 2006 album by a band formed in which city in Switzerland ?

Context paragraphs:
Abracadabra (Florent Pagny album): Abracadabra is a 2006 album recorded by French singer Florent Pagny.  It was his tenth studio album and was on April 18, 2006.  It achieved huge success in France and Belgium (Wallonia) where it remained charted respectively for 66 and 22 weeks, including a peak at #2.  It provided a sole hit single, "Là où je t'emmènerai" (#4 in France, #7 in Belgium, #39 in Switzerland).  There is also an edition including a DVD released on November 13, 2006, under Universal Music label.

Era One: Era One is the 2006 album by Samael.  It saw the band return to the Century Media label.  It includes a bonus disc, "Lesson in Magic #1", which is entirely instrumental and done solely by band member Xy.  The album itself was recorded in 2002, and the bonus disc a year later.  Both were rearranged and remixed in 2005.

Kayo Dot: Kayo Dot is an American avant-garde music group.  Formed in 2003 by Toby Driver after the break-up of "maudlin of the Well", they released their debut album "Choirs of the Eye" on John Zorn's Tzadik Records that same year.  Since then, Kayo Dot's lineup has drastically changed over the years.  Toby Driver is the only founding member of the band still remaining, save for frequent lyrical contributions from former motW member Jason Byron.  Up until 2011, the lineup was constantly shifting, and Kayo Dot's sound consistently changed over the years, featuring a wide variety of instrumentation featuring guitar, drums, bass, violin, saxophone, vibraphone, synthesizers, clarinets and flutes. Underground metal audiences warmly received the group upon its early existence, with the 2003 album "Choirs of the Eye" and the 2006 album "Dowsing Anemone with Copper Tongue" both becoming underground hits in the progressive metal scene.

Different World (song): "Different World" is the first track from English heavy metal band Iron Maiden's 2006 album "A Matter of Life and Death".  The song is the band's thirty-fifth single, and is also the second single from the album, released on 14 November 2006 in the United States, and 26 December 2006 in Europe.  The song has been stated by the band to be a tribute to Thin Lizzy due to the low sounding melodies sung by Bruce Dickinson that are reminiscent of those Phil Lynott would sing.  It was played first every night on the band's A Matter of Life and Death Tour.

Twisted City: Twisted City is a 2006 album by Dublin singer-songwriter Chris Singleton.  A self-engineered and produced album, it took two and a half years to complete.  The album was conceived as a tube journey through London; every song was a 'stop on the line' and dealt with Chris' experiences of the city, both personal and professional.  The album was mastered in May 2006 by well-known engineer Geoff Pesche (Coldplay, Gorillaz, Kylie Minogue) at Abbey Road Studios, London and was released in the UK and Ireland in September 2006 by Right Track/Universal Music Operations.  Given the association between the album and the tube, the launch event for the album took place on the London Underground in August 2006 and attracted coverage from ITV News and BBC Radio.  "Twisted City" received a warm welcome from rock critics, receiving positive reviews from The Irish Times, Hotpress, Clash Magazine and The Daily Express amongst others.

Samael (band): Samael is a Swiss symphonic black/industrial metal band formed in 1987 in Sion, Switzerland.

The Voodoo Jets: The Voodoo Jets are a power trio from Southern Connecticut who play power pop/rock music without electric guitars.  The instrument line-up includes keyboards, bass guitar, and drums.  The band was formed in 2000 and their 2006 album, "Supersonic" (produced by David Minehan), was released on 3 Nutz Music and features 12 songs.  Their second album, "From Greens to Eternity" (featuring 13 tracks), was released in 2010 after the passing of band member John Fowler.

Casey Donahew: Casey Donahew (born April 21, 1977 in Burleson, Texas) is a Texas country music singer in the band Casey Donahew Band.  Starting off playing local bars in 2002 they soon became a favorite on the Texas bar circuit eventually working their way to national level in 2009 when one of the band's self-released albums hit the country Top 30 album chart in Billboard magazine.  The band's high energy level, throughout extra long live sets, started to attract Texas' pre-teen bar crowd, when Pam Minick, from Texas' famed club Billy Bob's took notice, and she hired the Casey Donahew Band for a headlining spot and the college-age crowd came with.  When the band released the album "Lost Days" in 2005, selling as many on the Internet as they did at shows.  With guitarist Brent Wall, bass player Steve Stone, and drummer Taz, the band released their 2006 album simply titled "The Casey Donahew Band" and then in 2008 releasing the rowdy live album, "Live-Raw-Real, in the Ville".  With many of the sales coming from digital download services, they broke the Billboard charts with their album "Moving On".  Despite the band's growing national reputation, The Casey Donahew Band still keeps true to the Texas Country standards.  Keeping their marketing on a low key level, with a website, YouTube page, Facebook page and continuing to play the local Texas bar scene."

Te Amo Corazón: "Te Amo Corazón" is a song by Prince, released as the first single from his 2006 album, "3121".  It was officially released by the NPG Music Club on December 13, 2005.  It failed to chart in the US; however, it reached number 7 in Italy and number 24 in Switzerland.

Eyes Open Tour: The Eyes Open Tour was a concert tour by the Scottish/Northern Irish alternative rock band Snow Patrol.  It was launched in support of the group's 2006 album "Eyes Open".  The band visited numerous international venues from 2006 through 2007.  The tour is the collective name of many smaller tours and festivals Snow Patrol has played in support of their album.  The tour officially commenced on 14 February 2006 with a "secret gig" called SG#3.

Supporting paragraphs: Era One Samael (band)
Answer: Sion