---------------------------------------------------
BIG-CIRCLE INDEX
---------------------------------------------------
 
BLAYDON_RACES, mixer, big-circle, own tune (32-bar), diff=1
CIRCLE_WALTZ, big-circle, 32-bar waltz ("Star of the County Down"), mixer
EPPING_FOREST, three-couple-circle or big-circle, own tune, diff=2
FIFTY_FIFTY_WALTZ, big-circle, 32-bar waltz, keeper, diff=1
FRIENDLY_WALTZ, big-circle, mixer, 32-bar waltzes, diff=1
GATHERING_PEASCODS, big-circle, own tune, diff=2
HOTCH_POTCH,big-circle, mixer, 32-bar jigs ("Out on the Ocean"), diff=1 
LA_BASTRINGUE,big-circle mixer, own tune (32-bar reel), diff=1
LES_SALUTS,big-circle, keeper, weird basket, 32-bar jigs, diff=2
LUCKY_SEVEN, big-circle, mixer, 32-bar jigs, diff=1 (but fragile)
POLKA_MIXER, big-circle, mixer, 32-bar polkas, diff=1
SIBYLS_ROUNDABOUT, big-circle, mixer, 32-bar reels 
WELSH_COUNCIL, big-circle, mixer, 32-bar jigs (like "Irish Washerwoman"), diff=1