On this day in music history: July 10, 1972 – “Chicago V”, the fifth album by Chicago is released. Produced by James William Guericio, it is recorded at Columbia Recording Studios in New York City from September 20 – 29, 1971. The album is the bands first single LP release following their previous four (three were 2 LP sets, followed by a 4 LP live box set), instead opting for shorter songs rather than extended pieces and side long suites. Robert Lamm will be the dominant creative driving force of the album, writing eight of its ten songs. Recorded in a relatively brief nine days of studio time, it spins off two hit singles including “Saturday In The Park” (#3 Pop) and “Dialogue Pts. I & II” (# 24 Pop), becoming their most successful album to date. It becomes Chicago’s first chart topping album, spending nine weeks at number one on the Billboard Top 200 beginning on August 19, 1972. It is remastered and reissued on CD in 2003 by Rhino Records, with three additional bonus tracks. It is also issued as a high resolution DVD-A disc, featuring a 5.1 surround mix. The 5.1 mix is also reissued by Rhino in Japan in 2011, with a 180 gram vinyl LP reissue released by Friday Music in 2012. “Chicago V” is certified 2x Platinum in the US by the RIAA.