Multi soundbody dataset for instrument recognition

The current demo of the dataset contains 600 audio multi-tracks generated with three different sound bodies from the Lakh MIDIs (https://colinraffel.com/projects/lmd/) . The full version contains 3998 tracks and will be published later.本数据集的演示版本包含600条音频多轨，均由取自拉克MIDI数据集（Lakh MIDIs，访问链接：https://colinraffel.com/projects/lmd/）的三种不同发声体生成。该数据集的完整版共收录3998条音轨，将于后续发布。