Cask ale more plastic casks around than wooden ones. Plastic casks are increasing in popularity because they are cheaper to buy and lighter to carry. Though they don't last as long, they are also less likely to be stolen as they have no melt-down value. Beer casks come in a number of sizes, but by far the most common in the pub trade are those of 9 gallons (72 pints or roughly 41 litres) which is known as a Firkin and 18 gallons (144 pints or roughly 83 litres) known as a Kilderkin. (N.B. These are imperial gallons, equal to 1.201 US
How Long, How Long Blues his vocals have also been described as emotionally detached, high-pitched and smooth, with clear diction. Blackwell's single-string jazz guitar lines provided the role of a responsorial voice as well as rhythmic chording. "How Long, How Long Blues" was Carr and Scrapwell's biggest hit. They subsequently recorded six more versions of the song (two of them, unissued at the time), as "How Long, How Long Blues, Part 2", "Part 3", "How Long Has That Evening Train Been Gone", "New How Long, How Long Blues", etc. There are considerable variations in the lyrics, many of which have since fallen out of use