The documentary is currently on a screening tour of North America
The Memphis musician died last month, aged 29
Local report suggests police are treating death as suspicious
Singer puts musical tribute on his website while Pixies offer condolences
Memphis rocker found dead at his home
Police charge two crowdmembers after the incident
Memphis musician recruits new rhythm section and announces more dates
'I thought it was a joke!' says singer
Listen to to lo-fi rocker's debut on NME.COM
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