Buttermilk is primarily due to lactic acid produced by lactic acid bacteria while fermenting lactose, the primary sugar in milk. As the bacteria produce lactic acid, the pH of the milk decreases and casein, the primary milk protein, precipitates, causing the curdling or clabbering of milk. This process makes buttermilk thicker than plain milk. While both traditional and cultured buttermilk contain lactic acid, traditional buttermilk tends to be less viscous, whereas cultured buttermilk is more viscous. Buttermilk can be drunk straight, and it can also be used in cooking. Soda bread is a bread in which the acid in buttermilk reacts
Irish traditional music session Irish traditional music session Irish traditional music sessions are mostly informal gatherings at which people play Irish traditional music. The Irish language word for "session" is "seisiún". This article discusses tune-playing, although "session" can also refer to a singing session or a mixed session (tunes and songs). Barry Foy's "Field Guide to the Irish Music Session" defines a session as: "...a gathering of Irish traditional musicians for the purpose of celebrating their common interest in the music by playing it together in a relaxed, informal setting, while in the process generally beefing up the mystical cultural mantra that hums along