Complex sentence: During the late 1990s and the 2000s glam metal began to enjoy something of a revival, with some established acts managing to weather the storm, others reforming and new bands emerging to emulate the glam metal style.
Split into simpler sentences: During the late 1990s and the 2000s glam metal began to enjoy something of a revival. Some established acts who had managing to weather the storm enjoyed renewed popularity, others reformed and new bands emerged to emulate the glam metal style.