Voice type in baroque operas. Except for a few very rare voices (such as the American male soprano Michael Maniaci or singers with a disorder such as Kallmann syndrome), singers called countertenors generally sing in the falsetto register, sometimes using their modal voice for the lowest notes. Historically, there is much evidence that the countertenor, in England at least, also designated a very high tenor voice, the equivalent of the French "haute-contre". Until about 1830, all male voices used some falsetto-type voice production in their upper range. Countertenor voices span a broad range, covering E3 to E5. Countertenor subtypes: Countertenors are often
YL Male Voice Choir makes two short concert tours in Finland each year, and one or two tours yearly in the Asian, European or American continent. Recent years have seen YL tour in Norway (2009), Belgium and USA (2010) and China and Mexico (2011). The concert tour in USA had a grand finale in Carnegie Hall with Osmo Vänskä and the Minnesota Orchestra. Around 12 000 listeners attend YL's Christmas concerts in the churches of Helsinki each year, and thousands to hear the traditional songs celebrating First of May. YL Male Voice Choir YL Male Voice Choir (formerly: Helsinki University Chorus; ) was founded