It cost about US$1 million to produce Metallica’s 1991 album commonly called The Black Album.
The expense reflected an unusually long and demanding production. Recording ran from October 1990 into June 1991, with additional overdubs and mixing continuing at A&M Studios in Hollywood. Producer Bob Rock required the band to work through many takes while he shaped a more cohesive, live-feeling performance.
The band’s perfectionism also increased the workload. The musicians sometimes recorded roughly 20 to 30 takes before the best passages were selected and edited into a finished track. Drums were retained while guitars, bass, and vocals were overdubbed afterward, adding further studio time.
The cost is sometimes confused with the album’s later sales and certification figures. The US$1 million figure refers to production, not marketing, worldwide revenue, or the record’s eventual physical sales. The finished album became one of the best-selling releases in music history and far exceeded its initial production expense.