Download songs of Rihanna%20feat.%20Britney%20Spears

Rating

Synchronization (0/8): Acceptable synchronization; Very rough synchronization; Perfect synchronization; Acceptable duration of notes; Very rough duration of notes; Perfect duration of notes; Well lines split; Correct BPM
Notes (0/5): Acceptables tones; Very rough tones; Revised tones; Has golden notes; Well placed golden notes
Orthography (0/4): No misspellings; Tildes, quotes and other signs are well placed; No unnecessary signs of punctuation; Start of lines following a pattern
Files (0/6): Acceptable cover size; Audio with acceptable quality; Has background image or video; Synchronized video; Video without sound; Video size according to their quality
Others (0/2): Short version of the song; No waiting at the start and end