Bear's Sonic Journals: Sing Out! is a three-CD live album of acoustic music by various artists. It features performances by Jerry Garcia & Bob Weir, Country Joe McDonald, Kate Wolf, Rosalie Sorrels, and the Rhythm Devils. It was recorded at the Berkeley Community Theater in Berkeley, California on April 25, 1981. The album includes a 50-page booklet of essays and photos. It was released on February 23, 2024.

Robert Hall Weir is an American musician and songwriter best known as a founding member of the Grateful Dead. After the group disbanded in 1995, Weir performed with The Other Ones, later known as The Dead, together with other former members of the Grateful Dead. Weir also founded and played in several other bands during and after his career with the Grateful Dead, including Kingfish, the Bob Weir Band, Bobby and the Midnites, Scaring the Children, RatDog, and Furthur, which he co-led with former Grateful Dead bassist Phil Lesh. In 2015, Weir, along with former Grateful Dead members Mickey Hart and Bill Kreutzmann, joined with Grammy-winning singer/guitarist John Mayer, bassist Oteil Burbridge, and keyboardist Jeff Chimenti to form the band Dead & Company. Dead & Company's last performance occurred on 16 July 2023 at Oracle Park in San Francisco.