The Rolling Stones' 'She's a Rainbow' & Disturbed's 'The Sound of Silence' Gain on Rock Charts

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The Rolling Stones perform live on stage during the 'No Filter' tour at The London Stadium on May 25, 2018 in London. 

"Rainbow" rises aided by an Acura synch, while "Silence" makes post-9/11 increases.

Two older tracks make Billboard's Hot Rock Songs chart dated Sept. 22: one a hit from more than 50 years ago and the other a well-known cover of an iconic '60s classic.

The Rolling Stones' "She's a Rainbow" makes its maiden appearance on the chart, debuting at No. 24 with sales and streaming gains sparked by the song's synch in an Acura car commercial. (On Hot Rock Songs, as with the all-genre Billboard Hot 100, older songs are able to chart if ranking in the top half and backed by a meaningful reason for renewed gains).

In the case of "Rainbow," the Acura ad in which it's featured helped the song to boosts of 274 percent in sales (to 6,000) and 138 percent in streams (to 366,000) in the week ending Sept. 13, according to Nielsen Music.

"Rainbow" also begins at No. 7 on Rock Digital Song Sales, becoming the Stones' first top 10 on the chart, which began in 2010. On the all-format Digital Song Sales chart (which dates to 2004), it's the band's first entry, starting at No. 48.

Originally released from the Stones' 1967 album Their Satanic Majesties, "Rainbow" reached No. 25 on the Hot 100 in January 1968.

Meanwhile, Disturbed's "The Sound of Silence" makes yet another return to Hot Rock Songs, re-entering at No. 9 for its 54th total week on the tally since its September 2015 debut; it peaked at No. 3 in April 2016.

This time, the song re-enters thanks to the recirculation of a 9/11 tribute video (originally uploaded in 2016) featuring the song. On Sept. 11, the video made the rounds on social media, and "Silence" accumulated 4 million streams (up 16 percent) and sold 7,000 downloads (up 122 percent) in the week ending Sept. 13. The latter sum sends the song back to No. 1 on the Hard Rock Digital Song Sales chart, extending its record reign to 88 weeks at the summit.

Simon & Garfunkel's original "The Sound of Silence" topped the Hot 100 for two weeks in January 1966. Disturbed's slowed-down, haunting cover, first released in 2015, led the Mainstream Rock Songs chart for seven weeks beginning in March 2016 and became the band's top-charting song on the Hot 100, reaching No. 42 that April.

It last returned to Hot Rock Songs in February 2018, with streaming and sales gains attributed to its usage in a figure skating routine at the 2018 Winter Olympics.