depende rana sa disiplina.
compo or cover it doesn't matter as long as you're a disciplined player.
and if u cover, don't just cover for the sake of the song's popularity. cover it because you believe in it. because the song speaks to you and if possible keep the cover version to yourself. instead, make your own version of it. put ur signature sound and touch to it. When Nirvana did Leadbelly's In The Pines(aka Where Did You Sleep Last Night) they put their own stomp to it.
Listen to most tribute albums. Same song. Same tune. Same melody. But different feel... -)