Irish bouzouki Irish bouzouki The Irish bouzouki () is an adaptation of the Greek bouzouki (Greek: μπουζούκι). Johnny Moynihan is credited with bringing the first "tetrachordo" (4 courses of strings) Greek bouzouki to Ireland and retuning it to G-D-A-D (in intervals he first used on the mandolin). In the mid-1960s, Moynihan established a presence for the instrument in Irish music with the folk trio Sweeney's Men. Alec Finn, first in the Cana Band and subsequently in De Dannan, introduced the first "trichordo" (3 courses of strings) Greek bouzouki into Irish music. In the early 1970s, Andy Irvine gave his Greek bouzouki to
How many angels can dance on the head of a pin? about how many could perch at the same time on the head of a pin"". Dorothy L. Sayers argued that the question was "simply a debating exercise" and that the answer "usually adjudged correct" was stated as, "Angels are pure intelligences, not material, but limited, so that they have location in space, but not extension." Sayers compares the question to that of how many people's thoughts can be concentrated upon a particular pin at the same time. She concludes that infinitely many angels can be located on the head of a pin, since they do not occupy any space there: