Not Strong Enough - Apocalyptica song - was created on 2010-11-01.
Grace - Apocalyptica song - was created in 2007.
Strong Enough to Bend - song - was created in 1988-06.
Adam Gontier from Three Days Grace sang in the song I Don't Care by Apocalyptica.
The song you are talking about is probably the Toxicity version from the album "String Quartet Tribute to System of a Down" created by varius artists. Apocalyptica has nothing to do with either of the songs of that album.
Heroes
No, Three Days Grace and Apocalyptica are two different bands.However, the lead singer for Three days Grace, Adam Gontier, was featured in Apocalyptica's song I Don't Care.
The band "Apocalyptica" produces cello rock music, cello rock is a sub genre of rock music. They released the song "Bittersweet" on November 29 in 2004. (the question got the band confused with the song)
American recording artist Cher released her song 'Strong Enough' on February 19, 1999 by Warner Bros. and WEA. The song 'Strong Enough' was the second released song from the album 'Believe'>
That's Enough of That - song - was created in 1996.
Lacey Mosley from the band Flyleaf.
Cher
Good Enough - Dodgy song - was created in 1996.