Developer apps cydia launch release Artless, This tweak works with iOS 8 or higher. Artless jailbreak tweak lets you hide the Lock Screen’s album art from the interface when you’re listening to media in the background. This tweak compatible with Spectral’s blurred artwork background, also compatible with blur remover and Spectral combined. After installation no option to configure.
If you are interested, then you can free download Artless from the BigBoss repository in Cydia. To install this program requires a jailbroken device (see if and how you can do the jailbreak to your iPhone by clicking here) and you need an Internet connection to download the package. This tweak is compatible with iOS 7.0 and later versions of the mobile operating system from Apple.