Simplify the following text for a Grade 5 native English-speaking person.
Original: The LSO was due to sail on the for a concert in New York in April 1912 but fortunately had to change the booking at the last minute .
Simplified: The LSO players all came close to death in 1912 because they were due to sail on the RMS Titanic for a concert in New York . Fortunately they had to change the booking at the last minute .