Simplify the following text for a Grade 11 native English-speaking person.
Original: By law the anthem may only be sung with its original Malay lyrics , although there exist authorized translations of the lyrics of the anthem in Singapore 's three other official languages : English , Mandarin and Tamil .
Simplified: Singapore law says that the anthem may only be sung with its original Malay lyrics . However , there are government-approved translations of the lyrics in Singapore 's three other official languages : English , Mandarin and Tamil .