Short answers, pulled from the story.
Ryan Ross and Brendon Urie sent a demo to Fall Out Boy bassist Pete Wentz via a LiveJournal account. Wentz drove from Los Angeles to Las Vegas after hearing "two to three" songs at a band practice, and signed them to his Decaydance Records imprint around December 2004. The band had not yet performed a single live show at the time of signing.
"High Hopes" from the 2018 album Pray for the Wicked reached number four on the Billboard Hot 100, making it the band's highest charting single. The earlier single "I Write Sins Not Tragedies" was certified diamond in the US and won Video of the Year at the 2006 MTV Video Music Awards.
On the 24th of January 2023, frontman Brendon Urie announced that he and his wife were expecting a child and that he would be disbanding Panic! at the Disco to focus on his family. The final show took place on the 10th of March 2023 in Manchester, England, at the conclusion of the Viva Las Vengeance Tour.
Ryan Ross and bassist Jon Walker announced their departure from Panic! at the Disco on the 6th of July 2009 via the band's official website. Ross cited creative differences with Brendon Urie, who favored a polished pop direction while Ross wanted to pursue retro-inspired rock. Ross and Walker subsequently formed The Young Veins.
Panic! at the Disco released seven studio albums: A Fever You Can't Sweat Out (2005), Pretty. Odd. (2008), Vices & Virtues (2011), Too Weird to Live, Too Rare to Die! (2013), Death of a Bachelor (2016), Pray for the Wicked (2018), and Viva Las Vengeance (2022).
Spencer Smith, one of the band's founding members, disclosed before the Too Weird to Live, Too Rare to Die! tour that he had been struggling with alcohol and prescription medications since the recording of Pretty. Odd. He left the touring lineup in 2013 and officially departed the band on the 2nd of April 2015. Smith briefly rejoined Urie onstage at the When We Were Young festival in October 2025.