Bush dance traditional UK and Irish tunes. UK, Irish and USA session players would know variations of most of the tunes. Rhythms include – Reel, Jig, March, Waltz and Hornpipe. Instruments – Fiddle, Piano, Accordion both Piano and Melodeon, Concertina; both English and Anglo, Tin whistle, Bush bass, Guitar, Banjo and all types of Percussion, including lagerphone. Electric amplified instruments, such as electric bass guitar or electric guitar have been used since the 1970s. Bush dances are similar to American line dances or American square dances, in that all dancers know certain steps and execute them together. Partners are often changed in
Geometric magic square that every numerical magic square can be understood as a one-dimensional geomagic square as above. Or as Sallows himself puts it, "Traditional magic squares featuring numbers are then revealed as that particular case of 'geomagic' squares in which the elements are all one-dimensional." This however does not exhaust the 1D case, because there exist 1D geomagic squares whose components are "disconnected" line segments, and which do not correspond to any numerical magic square. Thus, even in dimension one, the traditional types correspond to only a tiny subset of all geometric magic squares. The richer structure of geomagic squares is reflected