Question: In what year was the band whose second studio album is "Sound & Color" formed?

<P0-S0> Sound & Color is the second studio album by American rock band Alabama Shakes. <P0-S1>  It was released on April 21, 2015 via ATO Records, MapleMusic Recordings and Rough Trade Records. <SEP> <P1-S0> Alabama Shakes is a blues rock band from USA formed in Athens, Alabama in 2009. <P1-S1>  The band currently consists of lead singer and guitarist Brittany Howard, guitarist Heath Fogg, bassist Zac Cockrell, and drummer Steve Johnson. <P1-S2>  The group rose to prominence in the early 2010s with their distinctive and soulful roots rock sound. <SEP> <P2-S0> 2gether is the second studio album by South Korean pop rock idol band CNBLUE. <P2-S1>  It was released on September 14, 2015, under FNC Entertainment. <P2-S2>  After ending domestic promotions for "Can't Stop" (2014), the band concentrated on individual activities; most notably, frontman Jung Yong-hwa released his debut solo album "One Fine Day" (2015) in January. <P2-S3>  The remaining band members sought out opportunities in television, particularly in acting, variety show appearances, and MCing. <P2-S4>  In August 2015, it was announced that CNBLUE would release its second studio album after an absence lasting one year and seven months. <P2-S5>  With "2gether", the band decided to change the direction of its music; it stripped itself of the acoustic tracks it was known for and explored electronic dance music in order to create a particular color and form a distinctive sound. <SEP> <P3-S0> The discography of Scottish rock band The Twilight Sad consists of four studio albums, four compilation albums, eleven singles, and five extended plays (EPs). <P3-S1>  The band currently consists of James Graham (vocals), Andy MacFarlane (guitar, producer), and Mark Devine (drums). <P3-S2>  The Kilsyth-based band formed in 2003 and were signed to Fat Cat Records when Alex Knight, co-founder of the label, went to Glasgow to watch the band perform their third gig and signed them on the spot. <P3-S3>  The band released their debut EP "The Twilight Sad" in November 2006 in the United States only, followed by their debut album "Fourteen Autumns & Fifteen Winters" in April 2007, which garnered widespread critical acclaim. <P3-S4>  The album spawned two singles, "That Summer, at Home I Had Become the Invisible Boy" in April, and "And She Would Darken the Memory" in July. <P3-S5>  The following year, the band released "Here, It Never Snowed. <P3-S6>  Afterwards It Did", a mini-album of reworked versions of songs from "Fourteen Autumns & Fifteen Winters" and two non-album tracks, inspired by stripped-down live performances. <P3-S7>  A collection of live versions and previously unreleased tracks entitled "Killed My Parents and Hit the Road" was released in December 2008. <P3-S8>  The Twilight Sad's second studio album, "Forget the Night Ahead", was released in September 2009 to further acclaim and marked a shift in the band's direction towards a darker and more streamlined sound. <P3-S9>  The album produced three singles: "I Became a Prostitute" in August 2009, "Seven Years of Letters" in October 2009, and "The Room" in April 2010. <P3-S10>  Founding bassist Craig Orzel left the band in February 2010, and the band released "The Wrong Car" EP in September of that year.