套音频库，其中金属被踢、锤、弓……并通过反馈循环引起振动！该合集包含346种独特的声音，这些声音是在实地考察时录制的。WAV格式
An audio library for which metal was kicked, hammered, bowed and… induced to vibrate through feedback loops?! The collection features 346 unique sounds recorded through field trips in US, UK and Italy.