Question: What year were American musicians Paul Collins and Blackie Lawless both born?

full_context: Document 1: The Beat (American band): The Beat (soon renamed to Paul Collins' Beat) is an American rock and power pop band from Los Angeles, California, that formed in 1979. Paul Collins' Beat resurfaced in the 1990s and continues to tour and record new material. Front man Paul Collins has released several projects with his alternative country group The Paul Collins Band, who play Americana music inspired by country rock and folk rock.
Document 2: Steven Tyler: Steven Tyler (born Steven Victor Tallarico; March 26, 1948) is an American singer-songwriter, multi-instrumentalist, and former television music competition judge, best known as the lead singer of the Boston-based rock band Aerosmith, in which he also plays the harmonica, and occasional piano and percussion. He is known as the "Demon of Screamin'" due to his high screams and his wide vocal range. He is also known for his on-stage acrobatics. During his high-energy performances, Tyler usually dresses in bright, colorful outfits with his trademark scarves hanging from his microphone stand.
Document 3: Sister (band): Sister was an American heavy metal band, formed in 1976 in Los Angeles. Former members included Blackie Lawless, formerly of the New York Dolls and later of W.A.S.P., and Nikki Sixx, who would later co-create Mötley Crüe. They are notable for being one of the first bands to make usage of the pentagram and other occult symbols. Due to the late 1970s music scene, and personal differences, they never achieved success and broke up sometime in 1978. Sixx and guitarist Lizzie Grey later formed the band London.
Document 4: Paul Collins (musician): Paul Vincent Collins (born 1956, New York City) is an American writer, author, music producer, and multi-instrumentalist. He is best known for his work in the power pop groups The Nerves, The Breakaways and The Beat.
Document 5: Paul Collins (American writer): Paul Collins (born January 12, 1969) is an American writer, editor and Chair of English at Portland State University, in Portland, Oregon. He is best known for his work with McSweeney's and "The Believer", as editor of the Collins Library imprint for McSweeney's Books, and for his appearances on National Public Radio's "Weekend Edition Saturday" with Scott Simon. His own books deal primarily with quirky forgotten figures from history, sometimes interwoven with memoir. Damian Kulash of the band OK Go has stated that the chapter in Collins' book "Banvard's Folly" about Augustus Pleasonton's patent on blue light led to them naming their third album "Of the Blue Colour of the Sky".
Document 6: Stephen Pearcy: Stephen Eric Pearcy (born July 3, 1956), known as Stephen Pearcy, is an American musician. He is best known as the founder, singer, and songwriter of the heavy metal band Ratt. He has also been in the bands Firedome, Crystal Pystal, Arcade, Vicious Delite, Vertex. He has also recorded four records as a solo artist.
Document 7: Nick Collins (composer): Nick Collins (born 1975) is a British academic and computer music composer. From 2006-2013 he lived in Brighton, UK, and ran the music informatics degrees at the University of Sussex. In 2013 he became Reader at the University of Durham.
Document 8: Tom Collins (record producer): Tom Collins (born Bernie Tom Collins on May 30, 1942) is an American music producer and publisher in Nashville, Tennessee who has received three CMA Awards as Producer of the Year, and seven Grammy nominations. He produced a steady stream of country music hits over a 30-year span from artists including Ronnie Milsap, Barbara Mandrell, Sylvia, Tom T. Hall, Jim Ed Brown, James Galway, Marie Osmond, and Steve Wariner. Collins served as Chairman of the Board of the CMA in 1979 and 1980.
Document 9: W.A.S.P.: W.A.S.P. is an American heavy metal band formed in 1982 by Blackie Lawless, who is the only remaining original member of the band. They emerged from the same Los Angeles scene that spawned Van Halen, Mötley Crüe, Dokken, Ratt, Quiet Riot, Guns N' Roses, Great White, Stryper, L.A. Guns, Leatherwolf and others. The band's popularity peaked in the 1980s, yet they continue to record and tour, making them one of the most enduring of the West Coast heavy metal bands. W.A.S.P. gained notoriety for their shock rock-themed image, lyrics and live performances. They have sold over 12 million copies of their albums.
Document 10: Blackie Lawless: Blackie Lawless (born Steven Edward Duren; September 4, 1956) is an American songwriter and musician best known as the lead singer and rhythm guitarist (formerly bassist) for the heavy metal band W.A.S.P.
Document 11: Frank Collins (musician): Frank Collins (born 25 October 1947 in Liverpool) is an English composer, singer and arranger who was a prominent member of the bands The Excels, Arrival, and Kokomo. He wrote Arrival's 1970s Top 10 hit record, "I Will Survive" (not the Gloria Gaynor song); a band that included keyboard and vocalist Tony O'Malley, vocalists Dyan Birch and Paddy McHugh, saxophonist Mel Collins, guitarist Neil Hubbard, guitarist Jim Mullen, bass player Alan Spenner, percussionist Jody Linscott, and drummer Terry Stannard.
Document 12: Lui Collins: Lui Collins (born in 1950 in Barre, Vermont) is a contemporary folk singer-songwriter. She attended the University of Connecticut and played her first gigs as a student there. She began touring in the mid-1970s as part of duos with Horace Williams Jr., Guy Wolff and Bill Lauf Jr., and all four received "produced by" credit on her first album, "Made in New England," 1978. Originally a Philo Fretless LP, that album was later reissued as a CD by Green Linnet in 1985, GLCD 1056. From her first recording, her albums included her own compositions as well as others written by her performing partners and friends, including Williams, Lauf, Julie Snow, and others. Her albums have included some children's music, some of which she co-wrote with children's author Jane Yolen. In 1997 Collins relocated to the Pioneer Valley in western Massachusetts, immersing herself in music. In addition to her solo performances in concerts, festivals and schools, Collins has performed extensively with singer-songwriter and multi-instrumentalist Dana Robinson. Together they released two limited edition collaborative recordings, "Paired Down" and "Paired Down Vol. 2", in 1998 and 1999 respectively.
Document 13: Steve Lawler: Steve Lawler is a British house music producer and DJ born in Birmingham, England he is a five time DJ Awards winner and has held residences at many popular dance clubs such as Space, The End and Twilo. Because of his successful performances at Space in Ibiza, he was nicknamed "King of Space". Lawler has released several mix albums and is especially well known for his "Lights Out" series featured on Boxed. He currently runs the record label VIVa MUSiC. He also founded the now defunct Harlem Records.
Document 14: Johnny Colla: John Victor "Johnny" Colla (born July 2, 1952) is an American musician (playing the guitar and saxophone), singer and songwriter. He is a founding member of the American rock band Huey Lewis and the News. He has been heavily involved in the San Francisco Bay Area music scene for decades, having been in several other bands, including Van Morrison, Sly and the Family Stone, Huey Lewis and The News, Sound Hole, and Johnny Colla & The Lucky Devils.
Document 15: Dee Snider: Daniel "Dee" Snider (born March 15, 1955) is an American singer-songwriter, screenwriter, radio personality, and actor. Snider came to prominence in the early 1980s as lead singer of the heavy metal band Twisted Sister. He was ranked 83 in the "Hit Parader"<nowiki>'</nowiki>s Top 100 Metal Vocalists of All Time.
ground_truth: 1956