Question: In what did year did the Irish rock band from Dublin who the Fray were opening for when they debuted their song "Heartbeat" form?

<P0-S0>  In 2002 they released the single "To the Bright and Shining Sun". <P0-S1> The Walls are an Irish rock band. <P0-S2>  The following year the band travelled to Australia and played their first shows there, opening up for Crowded House on the latter's first reunion gigs. <P0-S3>  They returned the following year. <P0-S4>  A number of songs from "Hi-Lo" featured in movies: Goldfish Memory, On the Edge, and Dead Bodies. <P0-S5>  A video was shot for the song in the brother's hometown, Ennistymon, and in the Dublin mountains. <P0-S6>  They were formed in 1998 by two ex-members of The Stunning – brothers Steve and Joe Wall. <P0-S7>  The band's third album "Stop the Lights" was released in 2012. <P0-S8>  The subsequent album "New Dawn Breaking" (2005) included "To the Bright and Shining Sun" and three other singles: "Drowning Pool", "Passing Through" and "Black and Blue". <P0-S9>  U2 invited The Walls to support them at their second show in Slane Castle in 2002 after the band sent them copies of their debut. <P0-S10>  It was used on an Irish TV commercial and became a hit in Ireland. <P0-S11>  In March 2013 the band played their first shows in Russia and performed live on the Evening Urgant show. <P0-S12>  The Walls opened the shows in Sydney and Melbourne and also performed their own gigs in both of those cities. <P0-S13>  The second single was the title track "Stop the Lights", an autobiographical story of a motorbike crash. <P0-S14>  The first track on the album "Open Road" proved a favourite with Nic Harcourt on his KCRW show "Morning Becomes Eclectic" and he invited the band to play a session on the show in 2006. <SEP> <P1-S0>  "Ammunition" compilation album, a music sampler of various independent artists. <P1-S1>  In 1997 the band appeared on the soundtrack for the movie "I Went Down", with the song 'There Are More Things'. <P1-S2>  LiR would release their second album, 'Nest', exclusively with W.A.R.? <P1-S3>  to the US, under the independent record label What Are Records? <P1-S4>  The LiR song 'Temple Child' appeared on the What Are Records? <P1-S5>  The band formed in the late 1980s in Dublin, firstly under the name The Spontaneous Frogs, then Uproar. <P1-S6>  In 1993, they released their first LP, 'Magico Magico!' <P1-S7>  The support act was regularly by another Dublin band called Dragonfly (the lead guitarist of Dragonfly later became LiR's second guitarist, after the departure of keyboardist David Hopkins). <P1-S8>  The new version of the album saw a revision to the track listing. <P1-S9>  Around this time, they were notorious for playing constant live shows in Whelan's Bar, on Wexford Street in Dublin. <P1-S10>  Their sound has been described as "a fusion of funky progressive rock, folky mysticism and savvy pop". <P1-S11>  (W.A.R.?) <P1-S12> , the following year, in 1995. <P1-S13>  under the label Velo Records (Velo was an Irish Indie) in Ireland. <P1-S14> . <SEP> <P2-S0>  The group consists of Bono (lead vocals and rhythm guitar), the Edge (lead guitar, keyboards, and backing vocals), Adam Clayton (bass guitar), and Larry Mullen Jr. (drums and percussion). <P2-S1>  Initially rooted in post-punk, U2's musical style evolved throughout their career, yet has maintained an anthemic sound built on Bono's expressive vocals and the Edge's effects-based guitar textures. <P2-S2> U2 are an Irish rock band from Dublin formed in 1976. <P2-S3>  Their lyrics, often embellished with spiritual imagery, focus on personal and sociopolitical themes. <P2-S4>  Popular for their live performances, the group have staged several ambitious and elaborate tours over their career. <SEP> <P3-S0>  The band premiered the song while opening for U2 on their U2 360° Tour in May 2011. <P3-S1>  The song was released for airplay on October 8, 2011, and was released for download in the United States on iTunes on October 11, 2011. <P3-S2> "Heartbeat" is the first single from The Fray's third album "Scars & Stories".