Complex sentence: Tixou arrives to Mexico contracted by the artistic agent Angel Shuger only for 45 days because she received an offer to work at the famous cabaret Le Lido in Paris.
Split into simpler sentences: Tixou arrives to Mexico contracted by the artistic agent Angel Shuger. Her contract in Mexico would originally be for a 45-day season because she received an offer to work at the famous cabaret Le Lido in Paris.