Question: Are both Colin Hay and Jesse Leach Scottish?

Context paragraphs:
Topanga (album): Topanga is the fourth solo album by Scottish-Australian singer Colin Hay, released in December 1994.  (See 1994 in music).  According to Australian musicologist, Ian McFarlane, it "sold well in Canada, Germany and Brazil.  In July, Hay set off on his solo Man at Work Australian tour."

Peaks &amp; Valleys: Peaks & Valleys is the third solo album by Scottish-Australian singer Colin Hay, released in 1992.  Hay recorded each song in one take.

Colin Hay: Colin James Hay (born 29 June 1953) is a Scottish-born, Australian-American musician and actor who performed as lead vocalist of the band Men at Work, and later as a solo artist.

Disarm the Descent: Disarm the Descent is the sixth studio album by American metalcore band Killswitch Engage.  The album was released on April 2, 2013, under Roadrunner Records.  It is the band's first album with Jesse Leach on vocals since 2002's "Alive or Just Breathing".  Killswitch Engage announced the return of Leach in January 2012, after vocalist Howard Jones parted ways with the group.  The album received generally positive reception from professional critics.

Everything I Need: "Everything I Need" is a song by the Australian group Men at Work.  The song was written by Men at Work singer/guitarist Colin Hay and the recording was produced by Hay with keyboardist Greg Ham.  It was released in 1985 as the lead single from their album "Two Hearts".

Rob Clores: Rob Clores is an American, New York-based keyboard player, who has toured and recorded with The Black Crowes, Tom Jones, Enrique Iglesias, Men at Work frontman Colin Hay, Marius Muller Westernhagen, Joan Osborne, Blues Traveler frontman John Popper, Spin Doctors frontman Chris Barron, Southside Johnny & The Asbury Jukes, Jesse Malin, Willie Nile, The Dirty Pearls and James Maddock.

Gathering Mercury: Gathering Mercury is the eleventh studio album by Colin Hay, released on May 9, 2011, on Compass Records.  Regarding the album's thematic content, Hay said, "I think it’s about life and loss and the injustice of the way the universe is set up; how we lose people we love."

Jesse Leach: Jesse David Leach (born July 3, 1978) is an American musician from Providence, Rhode Island, and is the lead vocalist of the metalcore band Killswitch Engage.  He also fronts the stoner rock/heavy metal band Seemless, as well as handling vocal duties for the hardcore metal bands The Empire Shall Fall and Times of Grace.  In February 2012 he rejoined Killswitch Engage following the departure of vocalist Howard Jones in January 2012.  He currently resides in Brooklyn, NY with his wife, Melissa.

The Empire Shall Fall: The Empire Shall Fall is a band formed by Jesse Leach with friends in 2008.  The band released their first independent album "Awaken" which was released on November 17, 2009.  Including Leach, The Empire Shall Fall consists of guitarists Jake Davenport and Marcus de Lisle, bassist Nick Sollecito, and drummer Jeff Pitts.

Company of Strangers (Colin Hay album): Company Of Strangers is the seventh solo album by Scottish-Australian singer Colin Hay.  It was released in 2002 on Hay's independent record label, Lazy Eye.

Supporting paragraphs: Colin Hay Jesse Leach
Answer: no