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) in developing new forms of food such as the flake, tablet, freeze-dried, and granulates that can now meet the individual nutritional requirements and natural feeding habits of the animals it was formulated for. Specialty foods such as long-term sera holiday tabs, Koi Snacks for hand feeding, and Catfish Chips for a nutritional treat based on natural textures have been introduced. Along with developments in foods, sera continues to add and refine water conditioners for biological cleaning and algae control, and technical products such as filters, pumps, CO2 units, UV filters, lamps, testing instruments, and accessories. sera conducts many seminars, and