What do TCRG and ADCRG stand for?
TCRG: The Irish Dancing Teachers Examination administered by the governing body of Irish dancing worldwide, An Coimisiún Le Rincí Gaelacha. When a person is said to be a "TCRG" or has their "TCRG", it would mean they have passed their Irish Dancing Teacher's examination and are recognized by An Coimisiún Le Rincí Gaelacha as having been awarded that distinction. For more information about the examination you may contact An Coimisiún Le Rincí Gaelacha over the web at: www.clrg.ie or e-mail: clrg@eircom.net

ADCRG: The Irish Dancing Adjudicators Examination administered by the governing body of Irish dancing worldwide, An Coimisiún Le Rincí Gaelacha. When a person is said to be an ADCRG or has an ADCRG, it means they have already passed their TCRG exam and have in addition passed the more comprehensive and challenging ADCRG exam. These individuals are recognized by An Coimisiún Le Rincí Gaelacha as being qualified to adjudicate Irish Step dancing on any competitive level throughout the world. If you wish additional information regarding this exam, again you may contact An Coimisiún at the lnks above.

How is Set Dancing different from other forms of Irish dance?
Set Dance can refer to an individual dancing to a particular Set Dance tune or can refer to a group of dancers performing a céilí figure dance.

What is:
a jig?
A tune that is played in 6/8 time structure. There are variations in the classification of a jig, either by dance, or by musical composition and note structure. The result of these nuances are a Light Jig, Single Jig, and Double (Heavy) Jig.
a slipjig? This is a tune that is played in 9/8 time. It is a graceful, bouncy light shoe dance performed in competition exclusively by the girls.
a hornpipe/reel? A hornpipe is a tune that is played in either 2/4 or 4/4 time structure. while a reel is a tune that is typically played in 2/4 time signature.

An Coimisiún has also established minimum speeds and ranges for these other dances:

Other Dances/
Rincí Eile
Minimum Speed/
Íosluas
Reel/Cor 112-116
Jig (Heavy)/Port Trom 72-76
Slip Jig/Port Luascach 112-116
Single Jig/Port Singil 112-116
Hornpipe/Cornphíopa 112-116
Light Jig/Port Eadrom 112-120

At the All-World, in all solo championships, the speeds of the musical accompaniment will be as follows:

Dances/Rincí Eile Music Speeds/Luasanna
Reel/Cor 113
Slip Jig/Port Luascach 113
Hornpipe/Cornphíopa 113
Heavy Jig/Port Trom 73

What is the difference between a song and a tune?
Tunes are melodies that are played without the words (if applicable) having been sung. A song is a tune that in addition to melody has words or lyrics.