TannhÃ user is an opera by Richard Wagner . The full title is TannhÃ user und der SÃ ngerkrieg auf Wartburg , ( TannhÃ user and the Singers ' Contest at Wartburg ) . TannhÃ user ( full title TannhÃ user und der SÃ ngerkrieg auf Wartburg \/ TannhÃ user and the Singers ' Contest at Wartburg ) is an opera in three acts , music and text by Richard Wagner , based on the two German legends of TannhÃ user and the song contest at Wartburg .