P3 playlist async in F#

p3playlistasyncinFsharp.fs

open System.Net
open System.IO
let date = "2012-08-28"
let getDataAsync (url:string) = async{
    let r = WebRequest.Create(url)
    let! resp = r.AsyncGetResponse()
    use stream = resp.GetResponseStream()
    use reader = new StreamReader(stream)
    let data = reader.ReadToEnd()
    return data}

//let getData (url:string) =   
//    let r = WebRequest.Create(url)
//    let resp = r.GetResponse();
//    use stream = resp.GetResponseStream()
//    use reader = new StreamReader(stream)
//    let data = reader.ReadToEnd()
//    data
        
let hours = [7..23] |> List.map string
let urls = hours |> List.map (fun h -> "http://api.sr.se/api/playlist/playlist.aspx?programid=164&date=" + date + "&hh=" + h)
//let syncResp = urls |> List.map (fun r -> getData r) |> ignore
let asyncResp = urls |> List.map (fun r -> getDataAsync r) |> Async.Parallel |> Async.RunSynchronously |> ignore