Historical clue formulations

• Sumac a.k.a. the "Peruvian Songbird" — 2024-07-28
• Peruvian singer Sumac — 2023-11-29
• Singer Sumac — 2021-10-10
• Singer Sumac — 2019-05-26
• Singer Sumac — 2019-04-21
• Singer Sumac — 2017-10-08
• Soprano Sumac — 2016-03-13
• Soprano Sumac — 2015-06-23
• Soprano Sumac — 2015-03-23
• Soprano Sumac — 2015-03-19
• Diva Sumac — 2014-06-15
• Soprano Sumac — 2014-06-01
• Sumac native to Peru — 2013-11-27
• First name on the 1954 album "Mambo!" — 2013-03-09
• Soprano Sumac — 2013-02-23
• Soprano Sumac — 2012-10-03
• First name among exotica singers — 2012-08-18
• Singer Sumac — 2012-01-19
• Singer Sumac — 2011-04-10
• Sumac with a wide range — 2010-05-01
• Sumac from Peru — 2010-01-14
• Singer Sumac — 2009-12-10
• Sumac from Peru — 2009-05-21
• Peruvian Sumac — 2009-01-24
• Singer Sumac — 2008-12-03
• Late singer Sumac — 2008-11-11
• Singer who appeared with Charlton in "Secret of the Incas" — 2008-10-04
• Singer Sumac — 2008-07-21
• Singer Sumac — 2007-10-15
• Singer Sumac — 2007-09-19
• Singer Sumac — 2007-08-12
• First name in exotica music — 2007-03-30
• Singer Sumac — 2006-03-15
• Singer Sumac — 2006-02-26
• Singer Sumac — 2005-06-27
• Singer Sumac — 2005-06-23
• Singer Sumac — 2005-03-14
• Singer Sumac — 2005-02-21
• First name in singing — 2005-02-11
• Singer Sumac — 2004-12-25
• Singer Sumac — 2004-04-16
• Singer Sumac — 2003-08-23
• Warbler Sumac — 2003-05-27
• Singer Sumac — 2003-05-14
• Singer Sumac — 2003-03-21
• Singer Sumac — 2002-11-05
• Singer Sumac — 2002-10-20
• Singer Sumac — 2002-07-03
• Vocalist Sumac — 2002-05-20
• Singer Sumac — 2002-03-26