Complex sentence: Only the English composer Thomas Tallis, however, seems to have been inspired to match or out-do it, with his 40-voice "Spem in alium"; in this motet, the singers were probably arranged in a full circle around the listeners.
Split into simpler sentences: Only the English composer Thomas Tallis, however, seems to have been inspired to match or out-do it, with his 40-voice "Spem in alium". In this motet, the singers were probably arranged in a full circle around the listeners.