When it comes to music, there have been many bands and specific songs that get labeled as sounding too close to existing material. Here I'm highlighting that possibility between "Tapping into the Emotional Void" by Excel as it relates to a song released a few years later to much wider audiences - Metallica's "Enter Sandman".
It's true that Excel's track does cop a small bit from Rush's "YYZ" but the acoustic guitar driven hook in "Tapping into the Emotional Void" sure sounds an awful lot like "Enter Sandman". Since Excel came from Venice, California and were tight with hardcore/metal stalwarts Suicidal Tendencies (often performing live on bills with ST and appearing on the Welcome to Venice compilation) I find it hard to believe that Metallica had no idea of the band or the song. But please check out the two songs and decide for yourself.
released in 1989
"Enter Sandman" Metallica
released in 1991