Answer the question at the end by quoting:

KAT-TUN (katoun, Katun) is a Japanese boy band formed under Johnny & Associates (Johnny's) in 2001. The group's name was originally an acronym based on the first letter of each member's family name: Kazuya Kamenashi, Jin Akanishi, Junnosuke Taguchi, Koki Tanaka, Tatsuya Ueda, and Yuichi Nakamaru. Their debut on March 22, 2006 was marked by a tripartite release of a CD single, album and music DVD on their exclusive record label J-One Records. Since then, all of their single, album and music DVD releases have debuted at number one on the Oricon music and DVD charts.
The group announced a release of their 14th single on 2010s Christmas Eve, "Ultimate Wheels" on February 2, 2011 along with a tie-in CM of Suzuki Solio car that the group endorsed. On January 6, KAT-TUN announced its plan of KAT-TUN Live Tour 2011 during May to October. The tour includes the 5 big dome tour at Sapporo Dome, Tokyo Dome, Nagoya Dome, Yahoo Dome in Fukuoka, and Kyocera Dome in Osaka and a special live event in Kawasaki on July 17-19. KAT-TUN will become the fourth Johnny group to be able to conquer the 5 big domes in Japan after SMAP, KinKi Kids and Arashi. After October, the group will start their Asia Tour that includes Thailand, Taiwan, and Korea. "Ultimate Wheels" became their 14th straight No.1 single since their debut. The total number of copies sold in the first week was over 180,000 copies, reported by Oricon. Early March, KAT-TUN announced three new songs in three days, including "Perfect" for Kamenashi's new Aoki TV commercial, "White" for a Sofina commercial, and "Diamond" as the theme song of NTV telecasts of Yomiuri Giants baseball games.  It was announced on March 29 that Johnny's Company would start a new charity project called Marching J, a fundraising project for the Tohoku earthquake victims. The first part of the project started as an event held from April 1 through April 3. From the company, SMAP, Tokio, KinKi Kids, V6, Arashi, Tackey and Tsubasa, NEWS, Kanjani8, KAT-TUN, Hey! Say! JUMP and some Johnny's Juniors participated in this first event. The first event will be held at Tokyo, in front of the first Yoyogi gymnasium. Groups took turns according to their schedule and will have a talk session in front of the fans, also calling out for donations for the earthquake victims. And due to this disaster, all the planned events to celebrate KAT-TUN's 5th debut anniversary were cancelled.  On May 18, KAT-TUN's 15th single, "White", was released with "Perfect" as its coupling song. By this time, they also announced another two new songs, "Cosmic Child" for a Wing TV commercial, and "Run For You" for a New Suzuki Solio commercial. On May 29, KAT-TUN with all its five members joined another Marching J project, "Johnny's Charity Baseball Tournament" with other Johnny artists and juniors at Tokyo Dome, in which the ticket sales would be donated for Japan's earthquake and tsunami victims.  It was announced in mid-June that members Kazuya Kamenashi, Koki Tanaka and Yuichi Nakamaru would star in this year's Dream Boy musicals as the leads, shows will commence from September 3 to 25.  On September 8, 2011, it was confirmed that KAT-TUN would host a new TV show titled KAT-TUN no Zettai Manetaku Naru TV, their first show since Cartoon KAT-TUN ended in March 2010. The new show began airing on October 18 on NTV. During the broadcast of the first episode, it was revealed that the show will only air for a limited time until the end of December 2011 with a total of 10 episodes. On September 30, 2011, KAT-TUN announced their 17th single "Birth" as the soundtrack to Kamenashi Kazuya's drama "Youkai Ningen Bem" would have been released on November 30. "Birth" became their 17th straight No.1 single on the Oricon's weekly chart since their debut.

were their albums popular?

No.1 single on the Oricon's weekly chart since their debut.



Answer the question at the end by quoting:

REO Speedwagon (originally styled as R.E.O. Speedwagon) is an American rock band from Champaign, Illinois. Formed in 1967, the band cultivated a following during the 1970s and achieved significant commercial success throughout the 1980s. Hi Infidelity (1980) contained four US Top 40 hits and is the group's best-selling album, with over ten million copies sold. Over the course of its career, the band has sold more than 40 million records and has charted thirteen Top 40 hits, including the number ones "
The stage was now set for the height of the band's popularity. On November 21, 1980, REO Speedwagon released Hi Infidelity, which represented a change in sound, going from hard rock to more pop-oriented material. Hi Infidelity spawned four hit singles written by Richrath and Cronin, including the chart-topping "Keep On Loving You" (Cronin), plus "Take It on the Run" (#5) (Richrath), "In Your Letter" (#20) (Richrath), and "Don't Let Him Go" (#24) (Cronin), and remained on the charts for 65 weeks, 32 of which were spent in the top ten, including 15 weeks atop the Billboard 200. Hi Infidelity sold over 10 million copies and set the bar for rock bands across the country.  The band's follow-up album, Good Trouble, was released in 1982. Although it was not as successful as its predecessor, the album performed moderately well commercially, featuring the hit singles "Keep the Fire Burnin'" (U.S. #7), "Sweet Time" (U.S. #26) and the Album Rock chart hit "The Key."  The band came storming back two years later with Wheels Are Turnin', an album that included the #1 hit single "Can't Fight This Feeling" plus three more hits: "I Do' Wanna Know" (U.S. #29), "One Lonely Night" (U.S. #19), and "Live Every Moment" (U.S. #34).  REO Speedwagon toured the US in 1985, including a sold-out concert in Madison, Wisconsin in May. On July 13, on the way to a show in Milwaukee, the band made a stop in Philadelphia to play at the US leg of Live Aid, which broke a record for number of viewers. They performed "Can't Fight This Feeling" and "Roll With the Changes," which featured members of the Beach Boys, the band members' families, and Paul Shaffer on stage for backing vocals.  1987's Life as We Know It saw a decline in sales, but still managed to provide the band with the top-20 hits "That Ain't Love" (U.S. #16) and "In My Dreams" (U.S. #19). The Hits (1988) is a compilation album from REO Speedwagon. It contains new tracks "Here With Me" and "I Don't Want to Lose You." "Here with Me" cracked the top 20 on the Billboard Hot 100 and the top ten on the Adult Contemporary chart. They were the last songs recorded with Gary Richrath and Alan Gratzer

any important person in the article
Paul Shaffer