Full version of SiM's 'The Rumbling', the opening theme of TV anime 'Attack on Titan' The Final Season Part 2, is out now! https://lnk.to/therumbling_full “The Rumbling (TV Size)" has been streamed more than 10 million times in just one week since its release. The non-credit opening video of the anime has recorded an astonishing number of views immediately after its … [Read more...] about Attack on Titan’s #1 hit song, The Rumbling by SiM’s Full Version out!