Knights longtime publicist confirmed her death with multiple media outlets.
The song reached No.
2 on Billboards Hot 100 chart and No.
Jean KnightMichael Ochs Archives/Getty Images
1 on R&B chart.
The record stayed on both charts for 16 weeks.
Mr. Big Stuff went double platinum, selling over two million records.
Knight was nominated for a Grammy for the single.
All I have to do is sit at home and wait for the mailman.
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In 1972, Knight hit the R&B charts again with Carry On.
Her last recording for Stax, the song was considered a regional success.
Before recording for Stax, Knight also recorded for the Houston-based Jet Stream label.
Jet Stream also had Barbara Lynn and Bobby Patterson & the Mustangs were also on the label.