Baby Names Beginning With "F": Meaning: Horseman/Knight?

Questions

Minutiae: The Clash's 1979 classic, with "Train in Vain" and the title track.?

Minutiae: X album with "Burning House of Love" and "All or Nothing"?

Misc Music Magic: Band with albums "Ummagumma" and "Meddle"?

Misc Music Magic: Number of Halos, or official releases, by Nine Inch Nails (1995)?

Misc Music Magic: Translate: "Soy Un Perdedor" (Hint: It's in the next line to the song)?