'POMPEII/UTILITY' is out on April 3rd.
New stops include shows in Philly and Milwaukee, as well as some festival appearances.
Biafra is "hospitalized but stable" following the hemorrhagic stroke, caused by high blood pressure.
'Unorthodox Jukebox', Mars’s sophomore LP, reached the top of the chart in early March 2013, three months after its release.
The full cover version of the album is out April 17.
