The Four Seasons (band) in October 1975, relaunching their career there. The Four Seasons opened 1976 atop the Billboard chart with their fifth #1 single, "December, 1963 (Oh, What a Night)", co-written by Bob Gaudio and his future wife Judy Parker. The single also hit number one in the United Kingdom. "December, 1963 (Oh, What a Night)" had Polci singing lead on the verses, Ciccone featured on specific sections, and Valli doing lead vocals only on the two bridge sections and backup vocals on the chorus. Although the band also scored minor chart placements with "Silver Star" (with Valli on harmony vocals) (#38 in
Night Is Young as "having a rather infectious beat and a great sing-along chorus." Jonathan Keefe of Slant Magazine described the song as a "four-four stomp, swirling electronic effects, and club-and-party lyrics." He also mentioned that the song "signals another outward shift in Furtado's style." "Night Is Young" was most commercially successful in Slovakia, peaking at number seven in its sixth week on the Radio Top 100 chart. The song was a commercial failure in Austria, debuting on the charts at number 72. It then peaked at number 69 the next week and fell off the charts the following week after that. "Night