Once is a deeply spiritual work though that might not be obvious from its completely secular environment (a Dublin street, a bar, a vacuum repair shop, a hillside). We see love, charity and hope manifested in this tender story that never descends to sentimentality (or religiosity for that matter). 

See the whole review at https://coolcleveland.com/2019/02/theater-review-once-beck-center-by-laura-kennelly/