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"Groovy Grubworm" is a 1969 instrumental by American session musician Harlow Wilcox. The lead single for his album Groovy Grubworm and Other Golden Guitar Greats, the track became Wilcox's sole charting hit, peaking at #30 on the BillboardHot 100 and #25 on the Cash Box Top 100. It also reached #1 on the RPM Country Tracks chart in Canada.