We experimentally investigated the effect of hydrogen (H2) addition over the turbulence chemistry interactions in the lab-scale canonical non-premixed bluff-body burner. It is well known that, the non-premixed bluff-body burner possesses complex interactions between the central fuel jet, toroidal air recirculation vortex and extinction/re-ignition events. The objective of the present study is to follow up and provide further quantitative insights into the above-said processes as a function of hydrogen addition from methane turbulent flame up to full hydrogen one. This is accomplished through high–repetitive (5 kHz) simultaneous OH PLIF and PIV measurements. Results show the change in turbulent flame/flow interactions leading flame stabilization. In addition, combined OH* chemiluminescence and 1D spontaneous Raman scattering have been implemented over some selected hydrogenated flames to determine instantaneous and simultaneous temperature and various species concentrations: CH4, H2 O2, N2, CO , CO2 and H2O. The obtained measurements highlighted the significant influence of H2 addition in the local extinction, re-ignition events and thus joint pdfs of species and temperature profiles.