• This is a long vowel sound. In British English it mustn’t sound as if it had a final ‘r’ after the vowel sound, where in Standard American this ‘r’ would be sounded.
• Examples for this sound are in the words: car, calm, father , heart.
• The transcription of these words: / kɑː/ / kɑːm/ /ˈfɑːðə/ /hɑːt/

GAWD WHAT A SICKY COMBINATION COLOURS I CHOSE!!!!! Ha, ha, ha!!!!

If you are  still there, (I mean, not in the bathroom feeling pretty sick) click on the audio file