Complex sentence: A large candlelight vigil will usually have invited speakers with a public address system and may be covered by local or national media, The speaker gives their speech at the beginning of the vigil to explain why they are holding a vigil and what it represents.
Split into simpler sentences: A large candlelight vigil will usually have invited speakers with a public address system and may be covered by local or national media. Speakers give their speech at the beginning of the vigil to explain why they are holding a vigil and what it represents.