Possible Clues:

• Like “Rosencrantz and Guildenstern Are Dead”
• Like a sort of play that could make critic go mad almost
• Smoke rising in unopened kind of bomb: funny ... and serious
• Like Beckett's work to Mike, inhaling smoke in retreat
• Bittersweet hybrid of citric mango with no name
• Wanting an actor, magic in plays, showing dramatic range
• Sad but funny
• Containing both sad and humorous elements
• Time two publications covered one such drama?
• (Of play) having both grave and amusing scenes