Right now on Google Play, you can download the entire Imagine Dragons Night Visions MP3 album for free! Be sure to click the orange "Free" button and not each individual song. A credit card number will be required with an account just like it would for your iTunes or Amazon Prime account.
Sample and freebie offers are limited and typically expire sooner than expected. I have no control over these offers as I am simply sharing the information, not distributing the products. If you are seeing this post in an RSS Feed or the daily email, there is a chance this offer may already be expired.