Based on the file naming convention you provided ("Discography -2012-2021- -FLAC"), this appears to be a high-quality audio archive covering the band's studio albums from their debut Night Visions up through Mercenary, Act 1. Because this is a FLAC (Free Lossless Audio Codec) collection, the listening experience is superior to standard streaming, but it requires specific software and setup to enjoy properly.
FLAC Value: The "dubstep" bass wobbles in "Radioactive" and the crisp mandolin in "It’s Time" benefit immensely from the high bit-depth of lossless audio. 2. Smoke + Mirrors (2015): The Experimental Core Imagine Dragons - Discography -2012-2021- -FLAC...
Metadata: High-quality FLAC releases from reputable digital stores include full metadata, embedded lyrics, and high-resolution digital artwork. Based on the file naming convention you provided