Question: What 1974 television special was a prequel to a 1978 television animated special, in which the 1978 special used the vocal talents of one of the members of "The Blues Brothers"

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David Denny (musician): David Denny (born February 5, 1948, Berkeley, California) is an American rock guitar player who was a founding member of Frumious Bandersnatch, a seminal psychedelic rock band from 1960s San Francisco.  Denny was a member of the Steve Miller Band, playing on 1977's "Book of Dreams", "Greatest Hits 1974-1978" (released in 1978, sold over 13 million copies), and 1993's "Wide River".  Denny wrote the hit song "The Stake," which was on the "Book of Dreams" and "Greatest Hits 1974-1978" albums.  While running a Mission District studio during the late 1980s, Denny contributed his guitar and vocal talents as a founding member of the Bombay Crawlers and played several Bay Area gigs with the swampy, powerful rock ensemble.  He later released two solo albums, 1991's Diesel Harmonics and 1997's Louisiana Melody.  David Denny and his ex-wife Kathy Peck (Executive Director and Co-founder of H.E.A.R. and former bass player with The Contractions) are artists, songwriters, film score composers, and music publisher owners of Monima Music.

Dan Aykroyd: Daniel Edward Aykroyd {'1': ", '2': ", '3': ", '4': "} (born July 1, 1952) is a Canadian-American actor, comedian, producer, screenwriter, musician and businessman.  He was an original member of the "Not Ready for Prime Time Players" on "Saturday Night Live" (1975–1979).  A musical sketch he performed with John Belushi on "SNL", The Blues Brothers, turned into an actual performing band and then a highly successful 1980 film, also called "The Blues Brothers".

Dancin' wid da Blues Brothers: Dancin' wid da Blues Brothers is the fifth album by The Blues Brothers.  It is a rare official Atlantic mini LP compiling seven tracks from previous albums, including four tracks taken from "The Blues Brothers: Music from the Soundtrack" album, two tracks from the "Briefcase Full of Blues" album, and one track from the "Made in America" album.

The Blues Brothers Band Live in Montreux: The Blues Brothers Band Live in Montreux is an album by The Blues Brothers band.  It was released in 1990 on the heels of the band's reunion tour and it's the first album recorded by the band after the death of founding member John Belushi and the only one that doesn't feature Dan Aykroyd.  Drummer Steve Jordan and keyboardist Paul Shaffer weren't available to play, and were replaced respectively by Anton Fig and Leon Pendarvis.  Vocals duties were assigned to Eddie Floyd and Larry Thurston, who had been previously recruited by Matt Murphy for his short-lived solo outfit Matt "Guitar" Murphy Band.  As with most other records by the band, the album was recorded live.  Along with regular numbers from the Blues Brothers repertoire, it features material never performed before by the band like "Hold On, I'm Comin'", (which, in its original rendition by Sam & Dave, was part of the Blues Brothers film soundtrack), "In the Midnight Hour", "The Thrill Is Gone", and two Eddie Floyd signature tunes, "Knock on Wood" and "Raise Your Hand".  The album was produced by Tom Malone.

Fluppy Dogs: Disney's Fluppy Dogs is a one-hour animated television special which aired on November 27 (Thanksgiving), 1986 on ABC, and was intended to be a pilot for the third Walt Disney Television animated series.  The special suffered low ratings and it was cancelled.  It featured five pastel-colored talking (fluppy) dogs that came through a fluppy interdimensional doorway and into the lives of Jamie and his teenage neighbor Claire.  The dogs were the intended prey of the evil miser Wagstaff.  Animation was supplied by TMS Entertainment, who had previously been contracted by Disney on another current running animated series, "Disney's Adventures of the Gummi Bears".

Mickey's 50: Mickey's 50 is a 1978 television special television special honoring the 50-year anniversary of the debut of Walt Disney's animated character Mickey Mouse.  The show aired on NBC on November 19, 1978, one day after Mickey's official birthday, as a special 90-minute edition of "The Wonderful World of Disney".

Witch's Night Out: Witch's Night Out is a Canadian animated television Halloween special that premiered on NBC October 27, 1978.  Produced in a Toronto studio, it was the sequel to the 1974 special "The Gift of Winter" with the vocal talents from Dan Aykroyd and Valri Bromfield.  It featured the voices of Fiona Reid as Nicely and Catherine O'Hara as Malicious, with Gilda Radner as the titular witch.

Mowgli's Brothers (TV special): Mowgli's Brothers is a 1976 television animated special directed by American animator Chuck Jones.  It is based on the first chapter of Rudyard Kipling's "The Jungle Book".  The special was narrated by Roddy McDowall, who also performs the voices of all the male characters in the film.  June Foray was the voice of Raksha, the Mother Wolf.  It originally aired on CBS on February 11, 1976.  The special was released on VHS, Betamax, and Laserdisc by Family Home Entertainment in 1985, and it was released on VHS again on VHS in 1999 and on DVD in 2002 and 2007 by Lionsgate.  Jones also directed adaptations of two other "The Jungle Book" stories, "Rikki-Tikki-Tavi" and "The White Seal", in 1975.

The Very Best of The Blues Brothers: The Very Best of The Blues Brothers is a 1995 greatest hits album by The Blues Brothers.  It is one of several compilations of the band's recordings, following "Best of The Blues Brothers" (1981) and "Dancin' wid da Blues Brothers" (1983).

Made in America (The Blues Brothers album): Made in America is the third album by The Blues Brothers.  The second live album by the band, it was released in December 1980 as a followup to their hit film released that year, "The Blues Brothers". The album did not fare as well, commercially or critically as their previous two albums, 1978's "Briefcase Full of Blues" and "The Blues Brothers: Music from the Soundtrack".  "Made in America" peaked at #49 on the "Billboard" chart and the single, "Who's Making Love", just cracked the Top 40 at #39.  It was the band's last album with lead singer "Joliet" Jake Blues (John Belushi, who died in 1982).

Supporting paragraphs: Witch's Night Out Dan Aykroyd
Answer: The Gift of Winter