This article from American Songwriter highlights the often-overlooked contribution of sisters Sara and Janna Allen to the songwriting behind several of Hall & Oates' biggest hits. While Daryl Hall and John Oates are widely celebrated for their run of chart-topping singles from the 1970s to the mid-1980s — with Hall once likening the duo to Lennon and McCartney — the piece argues that their early success was shaped in part by these two collaborators, whose input has historically received less recognition.

Sara Allen, Hall's long-term girlfriend of nearly 28 years, is credited as a co-writer on tracks including "Maneater" and "Private Eyes", and also inspired "Sara Smile". Her sister Janna, then just 20, helped create "Kiss On My List" — coming up with the chorus before Hall completed the verses — and brought an early template for "Private Eyes", written with Warren Pash, to Hall. In interviews with Billy Corgan and SongFacts, Hall described the sisters as "very influential", explaining that Sara excelled at helping him organise his thoughts and occasionally wrote lyrics alone, as on "August Day" and "Room To Breathe".