First, let me ask moderators not to move this thread to the High Energy, Nuclear, Particle Physics forum, because I am interested in hadrons from a wider perspective, especially from the perspective of condensed-matter QFT. A hadron (e.g. proton, neutron, or pi-meson) is a complicated mixture involving 2 or 3 quarks and a sea of gluons. From perspective of non-perturbative QCD, one would say that it is a bound state of quarks and gluons. But how about condensed-matter perspective? Can we say that hadron is a collective particle-like excitation of quark and gluon fields? Or more specifically, can we say that hadron is a quasiparticle in the condensed-matter terminology? If it is not a quasiparticle, then what property of quasiparticles is missing in the case of hadrons? A wider goal of such questions is to better understand the similarities and differences between QFT concepts in high-energy and condensed-matter physics.