According to current restrictions,
Bands are permitted to practice outdoors, permitted that –
(i) the band does not engage in a procession;
(ii) no person in the gathering engages in singing;
(iii) the gathering consists only of the band; and
(iv) the gathering fulfils the conditions in paragraph (5) (see below)
(b) In this regulation “band” means a group of two or more persons each of whom
engages in the playing or sounding of a musical instrument or carries a musical
instrument for the purpose of playing or sounding it, along with any conductor or
instructor.”
Paragraph 5
The conditions which must be fulfilled by a person to whom this paragraph applies are that the person responsible for organising or operating the gathering—
(a) has carried out an appropriate risk assessment (see paragraph 10); and
(b) takes all reasonable measures to limit the risk of transmission of the coronavirus, including implementing the preventive and protective measures identified in the appropriate risk assessment undertaken under sub-paragraph (a).
Links to the documents containing this information and the paragraphs –
https://www.health-ni.gov.uk/sites/default/files/publications/health/covid-consolidated-regs.docx
https://www.health-ni.gov.uk/sites/default/files/publications/health/doh-covid-restrictions-amdt-2-regs-2021.pdf
