Question: Are both Dave Evans and Heidi Newfield both singers?

Context paragraphs:
Burns &amp; Poe: Burns & Poe was an American country music duo composed of Keith Burns and Michelle Poe.  The duo was founded in 2007 after Burns left the group Trick Pony.  Poe was once a solo artist for DreamWorks Nashville, and later played bass guitar for Dierks Bentley and Hank Williams, Jr. The two met in 2007 while Burns was holding auditions to recruit a new lead singer for Trick Pony after Aubrey Collins (who had replaced original lead singer Heidi Newfield just months earlier) left.

Trick Pony: Trick Pony is an American country music group, formed in 1996 by Heidi Newfield (lead vocals, acoustic guitar, harmonica), Keith Burns (lead guitar, vocals), and Ira Dean (bass guitar, upright bass, vocals).  They recorded three studio albums: "Trick Pony", "On a Mission", and "R.I.D.E.", released in 2001, 2002, and 2005.  These albums produced eight singles on the "Billboard" Hot Country Songs chart, including four Top 20 hits: "Pour Me", "On a Night like This", "Just What I Do", and "On a Mission".

List of AC/DC band members: AC/DC are an Australian hard rock band formed by guitarist brothers Angus and Malcolm Young in 1973.  Originally featuring vocalist Dave Evans, bassist Larry Van Kriedt and drummer Colin Burgess, after a number of lineup changes the band settled with Bon Scott on vocals, Mark Evans on bass guitar and Phil Rudd on drums, and released five albums (two limited to Australia) between 1974 and 1977.  Due to continuing clashes with lead guitarist Angus Young, Evans was later fired from the band shortly after the release of "Let There Be Rock", although "musical differences" was the official reason given for his departure.  Cliff Williams was brought in as his replacement.

Pour Me (Trick Pony song): "Pour Me" is a debut song recorded by American country music group Trick Pony.  It was released in October 2000 as the first single from their debut album "Trick Pony".  The song was written by group members Keith Burns, Ira Dean and Heidi Newfield with Rory Waters Beighley and Sammy Harp Wedlock.

Johnny &amp; June (song): "Johnny & June" is the solo debut song co-written and recorded by American country music singer Heidi Newfield, the former lead singer of the group Trick Pony.  It was released in March 2008 as the first single from her debut album "What Am I Waiting For", which was released in August 2008 on Curb Records.  The song reached a peak of #11 on the Hot Country Songs charts in late September 2008.

Heidi Newfield: Heidi Newfield (born October 4, 1970) is an American country music artist.  She was lead singer, rhythm guitarist and harmonica player for the group Trick Pony, alongside Keith Burns and Ira Dean from 1996 until 2006, when she left in pursuit of a solo career.  Newfield has begun her solo career on Curb Records, debuting in 2008 with the single, "Johnny & June."  This song, which peaked at No. 11 on the Hot Country Songs charts, is the first release from her solo debut album, "What Am I Waiting For", which has produced a second Top 30 country hit, "Cry Cry ('Til the Sun Shines)."

Cry Cry ('Til the Sun Shines): "Cry Cry ('Til the Sun Shines)" is a song originally recorded by Martina McBride on her 2007 album "Waking Up Laughing".  It was later recorded by American country music artist Heidi Newfield and released in November 2008 as the second single from the album "What Am I Waiting For".  The song reached #29 on the "Billboard" Hot Country Songs chart.  The song was written by Marv Green, Aimee Mayo, Chris Lindsey and Hillary Lindsey.

Dave Evans (singer): Dave Evans (born 20 July 1953) is an Australian singer who briefly sang for the hard rock band AC/DC in 1973–1974.

What Am I Waiting For: What Am I Waiting For is the debut solo album from American country music singer Heidi Newfield, formerly the lead vocalist in the group Trick Pony.  It was released on August 5, 2008 on Curb Records and produced by Tony Brown.  The album's lead-off single, "Johnny & June", peaked at number 11 on the Hot Country Songs charts.  This song was followed by "Cry, Cry ('Til the Sun Shines)", which peaked at number 29.  "What Am I Waiting For" debuted on the "Billboard" 200 at number 10 with 34,000 copies sold in its first week.

Steve Nemesh: Stephen "Steve" Nemesh (31 December 1896 in Szécsény, Hungary – 18 September 1975 in San Bernardino, California) was a Hungarian-born open-wheel racecar driver, who emigrated to the United States and competed as an American.  His only American Championship car racing start was the 1926 Indianapolis 500 where he drove an Argyle powered Schmidt chassis.  He started 22nd and was sidelined after completing 41 laps by transmission failure.  He was credited with 21st place.  He drove as a relief driver in the 1927 Indianapolis 500 for Dave Evans.

Supporting paragraphs: Dave Evans (singer) Heidi Newfield
Answer: yes