No Pokemon can learn Block and Perish Song.
No Pokemon can learn Spider Web and Perish Song either.
Mean Look and Perish song will be much more effective.
Ghastly, Haunter, Gengar, Smoochum, Jynx, Murkrow, Honchkrow, Absol, Misdreavus, and Mismagius can learn them together.
(Note: Smeargle is an exception.)