本曲提供多版本支持，购买后可以获得以下所有的2个版本：
版本 1 02:47版本 2 01:27

“At Documentary” – emotional and inspiring documentary background music with deep piano chords, strings and modern percussions. Sounds beautiful, intense and documentary. It’s perfect for cinematic documentary, advertising, presentations, technology, tutorials, time lapse, sport, life, commercial trailers, history, education, film and more
“在纪录片中”——充满情感和鼓舞人心的纪录片背景音乐，带有深沉的钢琴和弦、弦乐和现代打击乐。听起来很美，很紧张，很有纪实性。它非常适合电影纪录片、广告、演示、技术、教程、延时、体育、生活、商业预告片、历史、教育、电影等