Yes, you can't leave us! You're one of the few people bold enough to sing! (Helix is a big, warm, fuzzy guy. He only means love.)
The hissing is probably the mic being turned up too much. You can solve this by turning down the input, and adding a compressor to the chain. This way, your voice won't trail off either - you'll have a nice sustained volume that sounds strong the whole way through.
