Yes, it is the panning of the note. Your screenshot says it's a left panning.
Thank you for your feedback and your precisions.

Indeed, in general, I have difficulty to balance my tracks.
And, yes, I also have to fine-tune the instruments.
Ok it's done
2) When you add C* Eq and C* Eq2x2, it appears that a notch filter is automatically applied to the signal at +/- 22 kHz (I see this through Sonogram SG-1). This is the only equalizer plugin that does this. I think it's a notch filter because when I export my signal, then I import it into the AudioFi...
About C* Eq, C* Eq2x2 and Multiband EQ in LMMS 1.1.3 1) An error of labeling : When you add C* Eq (=mono), it's C* Eq2x2 (=stereo) that appears When you add C* Eq2x2 (=stereo), it's C* Eq (=mono) that appears 2) When you add C* Eq and C* Eq2x2, it appears that a notch filter is automatically applied...
"You'll notice it has a nice Football pic, at the bottom of the plugins gui."

Yeah, in some cases the Kicker sounds like a kick in a plastic balloon!
I listened to about fifteen of your tracks posted on your LSP (https://lmms.io/lsp/?action=browse&user=Douglas). If I can give you advice, you could personalize your tracks even more by synthesizing your own percussion elements. All the synthesizers of LMMS allow it. This way may be long and dif...
Message edited (16/06/17):

I updated my Soundcloud account with some work in progress (see my signature below).

I move slowly, but surely.

Any type of feedback (design, composition, arrangement, rhythm, melody, mix, etc.) is welcome and would help me a lot .

Thanks.
For my first contribution, here is a gift for all those who lack inspiration : How to make a whip?

:arrow: https://lmms.io/lsp/?action=show&file=10898
OK, thanks you musikbear