In Consonants^x, British people^x

It's a symbol for phonetic transcriptions and it represent a sound, not a letter. It's not a matter of pronouncing it differently, but a matter of using it or not. Americans use that sound in "bath" for example, but some people in the UK don't. So Americans say /bæθ/, and...

To tell you the truth, I've never heard any foreigner (unless they learned English when they were very young, or had lived in an English speaking country for at least a decade, and had extensive, and personalized accent coaching) ever be able to pull off either an American or British accent....

"I went to a hospital", is correct because "hospital" begins with a consonant. I would guess that around 5% percent of Australians (those of lesser education) would say; "an ospital", as would a similar percentage of British people. Note that if there is such a thing as Australian English it is...

I think that the British people sound somewhat "American" when singing because when they speak, their consonants are much more harder than in the American accent(s) but when singing you just have to somewhat soften the consonants... I'm neither British nor American so I can be telling rubbish....