Demi-glace warm. At this point, the espagnole is prepared, and when it is finished, the brown stock is added in equal portions to the espagnole. Demi-glace keeps very well, about six months refrigerated or almost indefinitely frozen. Due to the considerable effort involved in making the traditional demi-glace, chefs commonly substitute a simple "jus lié" of veal stock or to create a simulated version, which the American cookbook author Julia Child referred to as a "semi-demi-glace"(i.e. sans espagnole sauce). However, even today, many chefs who prepare French "haute cuisine" use a demi-glace prepared in their own kitchen. Concentrates and mixes, mostly
Symphonie espagnole His "official" Violin Concerto in F, and his Symphony in G minor, written thirteen years later, are neither performed nor recorded as often. A typical performance runs just over half an hour. One of the shorter recordings, conductor Eugene Ormandy's 1967 recording with the Philadelphia Orchestra, featuring violinist Isaac Stern, runs 32 minutes and 43 seconds. It was common practice until the middle of the 20th century for performances of the work to omit the Intermezzo, leaving a four-movement work that more closely reflected the traditional structure of a symphony. The "Symphonie espagnole" had some influence on the genesis of