Lambrusco: Serve cold. It is a Native American Grape Varietal that taste like grape jelly. It is very sweet.
Cabernet Sauvignon: This is a French American Hybrid. It is a dry red. Serve at room temp.
Christmas Plum: Sounds like a fruit wine or something sweet. Serve cold. Unless it is a mulled wine ( wine with spices added, then you serve it piping hot, like a tea) (This usually is not sold in a bottle)
Black & Blue: Is this the Black & Blue form Pheasant Hollow Winery?! Regardless, it sounds like a sweet fruit wine - serve cold.
If it is dry and red: serve it at room temp.
If it is semi-dry and red: serve it slightly below room temp.
If it is sweet and red: serve it chilled.
If it is white dry, semi-dry, semi-sweet, or sweet: serve it chilled.
If it is Champagne: serve it chilled.
If it is a port: serve it at room temp.
If it is a red dessert wine: serve it at room temp.
If it is a white dessert wine, ice wine, or late harvest: serve it chilled.