Markus Haider
Austrian singer

Markus Haider is an Austrian singer part of The Gang Guys, who dub themselves "the Austrian Rat Pack", a tribute band to the original Rat Pack. He is known for his performance of Dean Martin's Sway that is commonly but mistakenly thought to be performed by Frank Sinatra.
Haider's cover of Sway was a part of a tribute show to the Rat Pack performed at Entropolos Theatre, it is believed that the date of the performance is somewhere around 2009. The black-and-white hue of the video was later added to the video by Niki Lappas - the band's editor - giving the performance a more dated look, resulting in confusion as to the date of the performance and the identity of the performer is, with many uploaders mistakenly classifying it as a Frank Sinatra performance, despite there being no known Sinatra performance of the song. The cacophonous audience featured in the video was spliced from a Beatles performance on February 9, 1964.
Career
In 2011, Haider tried a Schlager project and released a CD titled "Auftritt"; he used the artist name "Michael Mende" in this project. Even though the CD was not ready to be produced by that date, the singer's producer Johnny Matrix submitted a track called "Bella scusami" to the Alpen Grand Prix in Italy, in which he won 2nd place.
The track was available on Belgian National Radio for eight weeks. Schlager-Charts with highest ranking on #19.
As an actor
Markus Haider also appears as an actor in several movies.
This brief starts where responsible research should: with the source description of “Markus Haider” as austrian singer. Everything that follows is an evidence route, not borrowed authority.
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The subject matters to the people & ideas register because the source frames it as austrian singer. Its deeper value depends on whether names, dates, institutions and citations support that framing.
Biographical claims are most persuasive when dates, appointments and relationships can be traced to records created close to the events described. The source revision retrieved here is dated Jul 7, 2026. The linked authority identifier is Q28112828. 1 of 1 selected statements include explicit references; 0 carry qualifiers and 0 use preferred rank. The first chronological checks are 2009, 1964 and 2011.
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This entry incorporates text from “Markus Haider” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.