Gregorian note shapes

Provided that four line staffs are used, gregorian music was frequently quoted using specific neumes, and this way of coding has been commonly used for the coding of liturgical chant in the Catholic Church until the middle of the twentieth century. Symbols available in MusicTEX are :

They all have a non-spacing variant, which are :

To memorize these symbols, remember that carr comes from the French word carré which means square, that the letter p has a tail on the left side and the q has a tail on the right side. Other neumes can ne obtained by combining two or more of these symbols