What is sheer heart attack has no weakness?

Sheer Heart Attack is the third studio album by the British rock band Queen. It was released in 1974 and was a commercial and critical success, peaking at No. 2 on the UK album charts. The album features the hit singles, "Killer Queen" and "Now I'm Here".

The title track, "Sheer Heart Attack", is a hard rock song with heavy guitars and powerful vocals by Freddie Mercury. It has been widely acclaimed as one of Queen's greatest songs and has been covered by many other artists.

As for the statement that "sheer heart attack has no weakness", it can be interpreted in different ways. Musically, the album is considered a masterpiece, with strong songwriting and brilliant performances from the band members. However, it's worth noting that no piece of art or music is perfect and flawless. In terms of its impact and influence, Sheer Heart Attack has been widely praised and hailed as a landmark album in the history of rock music.