12: Tool debuted 12 songs on the Mainstream Rock Songs chart, all between 1993 and 2007.They first debuted with “Sober” on Oct. 9, 1993 and last reached the chart with “Jambi” on Feb. 10 ...

The CTXL series of universal circular chart recorders fromOmega Engineering comprises four different models, each with dual backlit LCDsthat display two inputs in real time. These portable ...

Last week’s Artists 500 chart topper, Playboi Carti, dropped to Number 10 as his new album, Whole Lotta Red, fell to Number Six on the RS200, moving 33,600 album units with 46.2 million streams.

Lil Nas X dominates the Top 10 with three hits. Shawn Mendes and Camila Cabello, Drake, and Lizzo also score highly on the chart A few other artists made notable debuts on this week’s Top 100 ...