Topics in Modal Analysis & Testing, Volume 8:  Proceedings of the 37th IMAC, A Conference and Exposition on Structural Dynamics, 2019, the eighth volume of eight from the Conference brings together contributions to this important area of research and engineering.  The collection presents early findings and case studies on fundamental and applied aspects of Modal Analysis, including papers on:  Analytical Methods Modal Applications Basics of Modal Analysis Experimental Techniques Multi Degree of Freedom Testing Boundary Conditions in Environmental Testing Operational Modal Analysis Modal Parameter Identification Novel Techniques