If you are an audiophile or videophile looking for the absolute best quality without compression artifacts, purchasing the original physical media is the best option.
Once you own a legal digital file (from iTunes or Google TV), you can – for your personal use – extract the song segments using free software like Avidemux (open source) or LosslessCut. This is not piracy as long as you don’t share the clips.
Steps:
Apple’s store sells Nanban in 1080p (Hindi/Tamil). You can purchase individual video songs directly. Once bought, you can download them to your device’s local storage in DRM-protected HD format, then transfer only for personal use.
Blu-ray discs offer uncompressed video at up to 40 Mbps (megabits per second), far surpassing streaming services (typically 5-15 Mbps) or TV broadcasts. For a visually rich film like Nanban:
But owning a Blu-ray disc or a legal digital copy is the only clean way to get this quality.