go-hypem 
Library for converting HypeMachine.com's mediaid's into streamable links.
Installation
go get github.com/9uuso/go-hypem
Example
package main
import (
"fmt"
"github/9uuso/go-hypem"
)
func main() {
url, err := hypem.Stream("2a59t")
if err != nil {
panic(err)
}
// http://api.soundcloud.com/tracks/196680458/stream?consumer_key=nH8p0jYOkoVEZgJukRlG6w
fmt.Println(url)
}