Complex sentence: In mid- 2000 Converge self-released a three track demo record titled "Jane Doe Demos", the demo was released on tour and were limited to 100 copies.
Split into simpler sentences: In mid- 2000 Converge self-released a three track record titled "Jane Doe Demos". The record was released at Converge's 2000 tour and were limited to 100 copies.