First, you don't get good at something without sucking at it first. Second suggestions: If you make a long MV try to make it more consistent throughout. Solid choices in music. Try to sink the video with the music you choose as a focus first before doing any SFX or visual effects work.
Second suggestions: If you make a long MV try to make it more consistent throughout. Solid choices in music. Try to sink the video with the music you choose as a focus first before doing any SFX or visual effects work.