Abstract This metastudy summarizes 264 recent experimental works involving sonority. The discussion here centers around an accompanying appendix that lists several details of each study, including the research question or hypothesis, outcome, language of focus, stimuli used to probe for the effect of sonority, methodology used to present test items and/or obtain results, participants' task, variables measured, and keywords. These metadata are presented in an Excel spreadsheet in order to give users flexibility to search and sort by details of interest, either alone or in various combinations. The overall findings of the 264 studies are naturally somewhat mixed but in general provide moderate support for the linguistic relevance of sonority.