Some album rights-holders restrict certain track releases only to be downloaded for purchase in the Qobuz Store. These restrictions are down to the right holders’ sole discretion. Such restricted tracks are displayed as - Sample in the Qobuz App, allowing stream-only 30-second segments.
The right holders restrict these Sample music tracks from streaming or displaying on Bluesound or other third-party Players.
For further information, refer to the Qobuz Support website.