Morgan Wallen's Dangerous: The Double Album continues to sell the most in 2021, thanks to strong streaming and physical sales.

2021 is the year of the top debut songs and music of the most talented singers, from Adele, Lil Nas X to The Weeknd. To celebrate the year's end, don't forget to add these best songs to your list.

Doing exercise can be stressful sometimes, and science has proven that listening to music while working out can help easing the stress and boosting immune system. Here is top 15 best workout songs to boost up your exercise moods.