This is working fine:
using HTTP
HTTP.open("GET", "http://ais.absoluteradio.co.uk/absoluteclassicrock.mp3") do http
n = Ref(0)
r = startread(http)
while !eof(http) && n[] < 1000
bytes = read(http, 100)
println("GET data: $bytes")
n[]+=length(bytes)
end
@show n
end