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best bottle I have found for this is a well cleaned hot sauce bottle. The top will go after a year or so, but you should have a few extra tops by that point. Just make sure the shaker top is in the cap not inserted into the bottle (M/L bottles of Frank's have it in the cap).
seems heavily overdriven, maybe the line level off the pickup is a lot hotter than the tape head. Maybe put a pot and tiny cap inline to act as an attenuator?