James has mastered over 400 albums, many of them winning either a gold or platinum certification.
Until now, the Elves had fought back using skills mastered over countless centuries, but their efforts were beginning to fall short.
Many of these students will spend their days reviewing the mathematics or history they were supposed to have mastered over the winter.
They've mastered the art of terrorism over the years.
This was normal to them, an activity they had mastered over a three-and-a-half-year partnership.
D'Greck has mastered and created over 140 art techniques throughout his career of 45 years.
Children of 10 or 11 help with the most simple tasks, as they sit beside elders who have mastered their art over decades.
They also have developed high levels of hand-to-hand combat training, mastered over 3,000 years, and are experts in the use of various hand held weapons.
The answer came back in the Vostigye script and language that he'd mastered over the past six months.
The album was recorded, mixed, and mastered over the course of 31 days.