Vacuum packing preventing the evaporation of volatile components. It is also commonly used to store dry foods over a long period of time, such as cereals, nuts, cured meats, cheese, smoked fish, coffee, and potato chips (crisps). On a more short term basis, vacuum packing can also be used to store fresh foods, such as vegetables, meats, and liquids, because it inhibits bacterial growth. Vacuum packing greatly reduces the bulk of non-food items. For example, clothing and bedding can be stored in bags evacuated with a domestic vacuum cleaner or a dedicated vacuum sealer. This technique is sometimes used to compact household
Things Ain't What They Used to Be Be", "Blue Serge" and "Moon Mist". Jazz musician and historian Chris Tyle argues that most likely Mercer Ellington came up with the melody and his father then arranged the song for the band. The song is most often played as an instrumental. Lyrics were written by Ted Persons. Johnny Hodges played it first, in Hollywood on July 3, 1941. Duke Ellington played it for the film "Cabin in the Sky" (1943). Things Ain't What They Used to Be "Things Ain't What They Used to Be" is a 1942 jazz standard with music by Mercer Ellington and lyrics by Ted Persons.