Question: Are Robert Fleischman and Karl Sanders both musicians?

Context paragraphs:
Norm Sanders: Norman Karl Sanders (born 15 October 1932) is an Australian former politician, representing the Australian Democrats in the Tasmanian House of Assembly from 1980 to 1982 and the Australian Senate from 1985 to 1990.

Black Seeds of Vengeance: Black Seeds of Vengeance is the second album by American  technical death metal band Nile.  The album was released on September 5, 2000 through Relapse Records.  "Black Seeds of Vengeance" marks the first album in Nile's discography to feature extensive liner notes in the booklet, written by Karl Sanders to explain the concept and themes behind each song.  The band also began undertaking an even more complex musical direction from the last album.  This is also the first Nile album to feature the vocal and guitar talents of Dallas Toler-Wade, who has performed on all subsequent Nile albums, as well as the first and only appearance of Derek Roddy on a Nile album as a session drummer only.  He performs on all tracks except for "To Dream of Ur".  Prior to recordings, Pete Hammoura left the band due to injuries sustained while touring.

All Systems Go (Vinnie Vincent Invasion album): All Systems Go is the second and final studio album by American glam metal band Vinnie Vincent Invasion, released on May 17, 1988.  "All Systems Go" featured new vocalist Mark Slaughter, who replaced Robert Fleischman.  The band toured in support for the album, headlining small clubs, but broke up after the completion of the tour at the end of August 1988.  The album features Yngwie Malmsteen's vocalist Jeff Scott Soto on backing vocals.

Dean V: The Dean V is an electric guitar and bass model released by Dean Guitars in 1977.  It forms part of Dean's classic line of guitars along with the Dean ML, Dean Cadillac and Dean Z.  In addition to its body shape, the Dean V is recognisable for its V shaped headstock and V shaped tailpiece.  Some of the prominent users include Michael Schenker, Michael Amott, Eric Peterson and Karl Sanders.

Saurian Exorcisms: Saurian Exorcisms is the second solo album by Karl Sanders, the vocalist/guitarist of the death metal band Nile.  It was released on 14 April 2009 through The End Records.  The music is a full length exploration of the atmospheric interludes heard on Nile's previous albums, and still draws on ancient Iraki themes for inspiration.  He has also now drawn inspiration from other types of music such as Tibetan, Indian and Arabic.

Saurian Meditation: Saurian Meditation is the first solo album by Karl Sanders, the vocalist/guitarist of the  technical death metal band Nile.  It was released on 26 October 2004 through Relapse Records.  The music is a full length exploration of the atmospheric interludes heard on Nile's previous albums, and still draws on ancient Babylonia and Lovecraftian themes for inspiration.  The album was well received by metal and non-metal listeners alike.

Jimmy Crespo: James Crespo, Jr. (born July 5, 1954 in Brooklyn, New York) is an American guitarist.  He was the lead guitarist for Aerosmith from 1979 until 1984.  He co-wrote "Rock in a Hard Place" with Steven Tyler, and has performed or recorded with Rod Stewart, Billy Squier, Meat Loaf, Stevie Nicks, Robert Fleischman, Rough Cutt, Renegade, Flame and others.

Robert Fleischman: Robert Fleischman (born March 11, 1953) is an American musician, songwriter, and record producer.

Karl Sanders: Karl Sanders (born June 5, 1963) is an American musician, most widely known as the founding member of the American ancient Egyptian-themed technical death metal band Nile.  He was born in California, and lives in Greenville, South Carolina.  Sanders is endorsed by Dean Guitars, and currently has a signature guitar with the company.

Wheel in the Sky: "Wheel in the Sky" is a song by the American rock band Journey, recorded in 1977 and included on their fourth studio album, "Infinity."  It was written and composed by Robert Fleischman, Neal Schon and Diane Valory.

Supporting paragraphs: Robert Fleischman Karl Sanders
Answer: yes