"Someday" is a song released from Rob Thomas' second album, Cradlesong. It was released as the album's third single (second outside of Australia) in September 2009 only in digital format, and followed as a physical release in December 2009 It debuted at No. 93 on the Billboard Hot 100, peaking at No. 59. It has since become Thomas's third career No. 1 on Billboard's Adult Top 40 chart as a solo artist, and fourth overall, also extending his top-five singles streak on the format to seven (eight when including his collaborative hit "Smooth").