Complex sentence: The Samois festival is seen amongst the Gypsy Jazz community as being the definitive Django festival with people travelling from all over the world to attend and to pay respect at Reinhardt's grave in Samois.
Split into simpler sentences: The Samois festival is seen amongst the Gypsy Jazz community as being the definitive Django festival with people travelling from all over the world to attend. Django "pilgrims" also take time out to pay respect at Reinhardt's grave in Samois.