Historical clue formulations

• Hits high notes in high places — 2022-07-24
• Alternatives to Ho Hos — 2019-07-23
• Alpine shouts — 2015-12-01
• Mountain airs — 2011-03-02
• Snack food made by Drake's — 2009-06-28
• Sings in the Alps — 2005-11-16
• Mountain airs — 2002-08-15
• Some country music effects — 2002-07-11
• Peak performances? — 2001-08-17
• They may have hearings in Switzerland — 2000-06-08
• Alpine refrains — 2000-04-30
• Alpine songs — 1999-05-03
• Is in peak singing condition? — 1998-06-14
• Off-peak calls? — 1997-02-02