Que Sera, Sera (Whatever Will Be, Will Be) Que Sera, Sera (Whatever Will Be, Will Be) "Que Será, Será (Whatever Will Be, Will Be)", first published in 1956, is a popular song written by the songwriting team of Jay Livingston and Ray Evans. The song was introduced in the Alfred Hitchcock film "The Man Who Knew Too Much" (1956), starring Doris Day and James Stewart in the lead roles. Day's recording of the song for Columbia Records (catalog number 40704) made it to number two on the "Billboard" Hot 100 and number one in the UK Singles Chart. From 1968 to 1973, it was the theme song for
Sera (company) the 1980s, sera increased its product lines with innovative and scientifically advanced foods, vitamins, and technological products. During these years the acclaimed sera Bio-Denitrator was launched, which was the first mechanism to target the biological breakdown of nitrate in an aquarium. With more than 200 products in the assortment, a team of scientists at its Heinsberg, Germany headquarters, international product distribution, and subsidiaries in North America, France, Italy, Chile and Japan, sera has gained a reputation as one of the leading forces in aquaculture today. As technology progresses, pressured by the demands of the scientists, sera has been a leader