Search Strategy for Rapid Review: What is known about the risk of transmission of COVID-19 during musical activities such as singing or playing a wind instrument, and how can these risks be mitigated? On January 4, 2021, the following databases were searched using search terms and parameters below. Database Search parameters Pubmed’s curated COVID-19 literature singing OR sing OR singer OR vocal OR vocalize OR hub: LitCovid vocalise OR vocalization OR vocalist OR "wind instrument" OR "wind player" OR "wind musician" OR "brass instrument" OR "brass player" OR "brass musician" OR musician OR "woodwind" OR trumpet OR trombone OR euphonium OR tuba OR flugelhorn OR clarinet OR saxophone OR bassoon OR piccolo OR vuvuzela OR philharmonic OR orchestra OR symphony OR "school band" OR choir OR choral OR rehearsal OR rehearse OR "music group" OR accompanist OR opera OR operetta OR musical OR "bell cover" OR "instrument cover" OR "musical theatre" OR flute OR oboe OR "french horn" OR musical World Health Organization’s Global singing OR sing OR singer OR vocal OR vocalize OR literature on coronavirus disease vocalise OR vocalization OR vocalist OR "wind instrument" OR "wind player" OR "wind musician" OR "brass instrument" OR "brass player" OR "brass musician" OR musician OR "woodwind" OR trumpet OR trombone OR euphonium OR tuba OR flugelhorn OR clarinet OR saxophone OR bassoon OR piccolo OR vuvuzela OR philharmonic OR orchestra OR symphony OR "school band" OR choir OR choral OR rehearsal OR rehearse OR "music group" OR accompanist OR opera OR operetta OR musical OR "bell cover" OR "instrument cover" OR "musical theatre" OR flute OR oboe OR "french horn" OR musical COVID-19 Evidence Alerts from McMaster Key term search PLUS™ COVID-19 Living Overview of the Evidence singing OR sing OR singer OR vocal OR vocalize OR (L·OVE) vocalise OR vocalization OR vocalist OR "wind instrument" OR "wind player" OR "wind musician" OR "brass instrument" OR "brass player" OR "brass musician" OR musician OR "woodwind" OR trumpet OR trombone OR euphonium OR tuba OR flugelhorn OR clarinet OR saxophone OR bassoon OR piccolo OR vuvuzela OR philharmonic OR orchestra OR symphony OR "school band" OR choir OR choral OR rehearsal OR rehearse OR "music group" OR accompanist OR opera OR operetta OR musical OR "bell cover" OR "instrument cover" OR "musical theatre" OR flute OR oboe OR "french horn" OR musical February 3, 2021 McMaster Health Forum Site scan Prospero Registry of Systematic Reviews (covid OR coronavirus OR "SARS-CoV-2") AND (singing OR sing OR singer OR vocal OR vocalize OR vocalise OR vocalization OR vocalist OR "wind instrument" OR "wind player" OR "wind musician" OR "brass instrument" OR "brass player" OR "brass musician" OR musician OR "woodwind" OR trumpet OR trombone OR euphonium OR tuba OR flugelhorn OR clarinet OR saxophone OR bassoon OR piccolo OR vuvuzela OR philharmonic OR orchestra OR symphony OR "school band" OR choir OR choral OR rehearsal OR rehearse OR "music group" OR accompanist OR opera OR operetta OR musical OR "bell cover" OR "instrument cover" OR "musical theatre" OR flute OR oboe OR "french horn" OR musical) MedRxiv preprint server Philharmonic, orchestra, symphony, choir, choral, rehearsal, rehearse, accompanist Trumpet, trombone, euphonium, tuba, flugelhorn, clarinet, saxophone, bassoon, piccolo, vuvuzela, flute, oboe Singing, sing, singer, vocal, vocalize, vocalise, vocalization, vocalist, opera, operetta NCCMT COVID-19 Rapid Evidence Site scan Reviews NCCEH Environmental Health Resources Site scan for the COVID-19 Pandemic NCCID Disease Debrief Site scan Uncover (USHER Network for COVID-19 Site scan Evidence Reviews) Centers for Disease Control and Site scan Prevention’s Morbidity and Mortality Weekly Report (MMWR) Alberta Health Services Key term search Public Health Ontario Site scan Public Health England Site scan Institut national de santé publique du Site scan Québec (INSPQ) ERIC via ProQuest (covid OR coronavirus OR "SARS-CoV-2") AND (singing OR sing OR singer OR vocal OR vocalize OR vocalise OR vocalization OR vocalist OR "wind instrument" OR "wind player" OR "wind musician" OR "brass instrument" OR "brass player" OR "brass musician" OR musician OR "woodwind" OR trumpet OR trombone OR euphonium OR tuba OR flugelhorn OR clarinet OR saxophone OR bassoon OR piccolo OR vuvuzela OR philharmonic OR orchestra OR symphony OR "school band" OR choir OR choral OR rehearsal OR rehearse OR "music group" OR accompanist OR opera OR operetta OR musical OR "bell cover" OR "instrument cover" OR "musical theatre" OR flute OR oboe OR "french horn" OR musical) February 3, 2021 2 .