| Robert Lamoureux |
2 |
| Robert Lee Mccoy |
4 |
| Robert Lockwood, Jr. |
2 |
| Robert Long |
11 |
| Robert Louis Stevenson |
3 |
| Robert Lund |
2 |
| Robert M |
9 |
| Robert M feat. Nicco |
3 |
| Robert Matarazzo |
3 |
| Robert Mendoza |
3 |
| Robert Michaels |
4 |
| Robert Miles |
31 |
| Robert Miles feat. Maria Nayler |
4 |
| Robert Mitchum |
4 |
| Robert Nighthawk |
3 |
| Robert Palmer |
165 |
| Robert Parker |
3 |
| Robert Pattinson |
39 |
| Robert Pattinson & Kristen Stewart |
4 |
| Robert Pattinson ft. Kristen Stewart |
2 |
| Robert Pattison |
5 |
| Robert Pete Williams |
2 |
| Robert Pierre |
4 |
| Robert Plant |
199 |
| Robert Plant & Alison Krauss |
17 |
| Robert Plant & The Strange Sensation |
7 |
| Robert Plant And The Strange Sensation |
2 |
| Robert Plant and Alison Krauss |
11 |
| Robert Plant and the Strange Sensation |
4 |
| Robert Pollard |
17 |
| Robert Post |
9 |
| Robert Ramirez |
6 |
| Robert Randolph |
7 |
| Robert Randolph & The Family Band |
8 |
| Robert Randolph And The Family Band |
6 |
| Robert Rodriguez |
4 |
| Robert Rodriguez feat. Los Lobos |
3 |
| Robert Skoro |
9 |
| Robert Smith |
5 |
| Robert Tepper |
13 |
| Robert Vadney |
8 |
| Robert Wells |
2 |
| Robert Wilkins |
2 |
| Robert Wilson |
2 |
| Robert Wyatt |
82 |
| Robert-gil Barlat |
5 |
| Roberta Campos |
2 |
| Roberta Flack |
86 |
| Roberta Flack & Donny Hathaway |
5 |
| Roberta Flack and Peabo Bryson |
2 |