| Robert Macdonald | 1 | 0 |
| Robert Mack | 1 | 0 |
| Robert Majewski | 0 | 0 |
| Robert Mann | 0 | 0 |
| Robert Manuel | 0 | 0 |
| Robert Marcellus | 0 | 0 |
| Robert Massard | 7 | 0 |
| Robert Masters | 0 | 0 |
| Robert Masters Chamber Orchestra | 0 | 0 |
| Robert Matthew-Walker | 0 | 0 |
| Robert Maxym | 0 | 0 |
| Robert McDonald | 5 | 0 |
| Robert McDuffie | 0 | 0 |
| Robert Mealy | 0 | 0 |
| Robert Merrill | 28 | 0 |
| Robert Miller | 2 | 0 |
| Robert Mirabal | 0 | 0 |
| Robert Mlkeyan | 1 | 0 |
| Robert Moffat Palmer | 0 | 0 |
| Robert Moran | 8 | 0 |
| Robert Morris | 0 | 0 |
| Robert Mosuse | 0 | 0 |
| Robert Mozes | 0 | 0 |
| Robert Muczynski | 9 | 0 |
| Robert Murray | 7 | 0 |
| Robert Musso | 0 | 0 |
| Robert Nagy | 1 | 0 |
| Robert Nasveld | 0 | 0 |
| Robert Nickson | 4 | 0 |
| Robert Nicolas Charles Bochsa | 0 | 0 |
| Robert Noehren | 0 | 0 |
| Robert Oberaigner | 1 | 0 |
| Robert Olson | 0 | 0 |
| Robert Orth | 0 | 0 |
| Robert Overpelt | 0 | 0 |
| Robert Page | 5 | 0 |
| Robert Parkins | 0 | 0 |
| Robert Parsons | 5 | 0 |
| Robert Pechanec | 0 | 0 |
| Robert Pete Williams | 0 | 0 |
| Robert Philips | 0 | 0 |
| Robert Pikler | 0 | 0 |
| Robert Plane | 7 | 0 |
| Robert Planel | 0 | 0 |
| Robert Planquette | 4 | 0 |
| Robert Preston | 0 | 0 |
| Robert Puff | 0 | 0 |
| Robert Quine | 0 | 0 |
| Robert Quinney | 15 | 0 |
| Robert Ramsey | 2 | 0 |
| Robert Rawson | 0 | 0 |
| Robert Reed | 0 | 0 |
| Robert Reigle | 0 | 0 |
| Robert Reimer | 2 | 0 |
| Robert Riefling | 0 | 0 |
| Robert Rodriguez | 0 | 0 |
| Robert Routch | 0 | 0 |
| Robert Rønnes | 2 | 0 |
| Robert S. Whitney | 0 | 0 |
| Robert S. Williams | 1 | 0 |
| Robert Sarazin Blake | 0 | 0 |
| Robert Satanowski | 0 | 0 |
| Robert Satterlee | 0 | 0 |
| Robert Savoie | 0 | 0 |
| Robert Saxton | 0 | 0 |
| Robert Schroeder | 0 | 0 |
| Robert Schumann | 1,503 | 0 |
| Robert Schumann String Quartet | 0 | 0 |
| Robert Schumann Trio | 1 | 0 |
| Robert Schunk | 0 | 0 |
| Robert Scott | 0 | 0 |
| Robert Sellier | 6 | 0 |
| Robert Shafer | 0 | 0 |
| Robert Shaw | 54 | 0 |
| Robert Shaw Chamber Singers | 0 | 0 |
| Robert Shaw Chorale | 26 | 0 |
| Robert Shaw Festival Singers | 0 | 0 |
| Robert Shaw Orchestra | 0 | 0 |
| Robert Sherlaw Johnson | 0 | 0 |
| Robert Silla | 0 | 0 |
| Robert Silverman | 0 | 0 |
| Robert Simpson | 0 | 0 |
| Robert Simpson | 16 | 0 |
| Robert Smissen | 3 | 0 |
| Robert Smith | 5 | 0 |
| Robert Spano | 27 | 0 |
| Robert Spencer | 2 | 0 |
| Robert Spring | 0 | 0 |
| Robert Stallman | 0 | 0 |
| Robert Starer | 4 | 0 |
| Robert Stehli | 0 | 0 |
| Robert Stern | 1 | 0 |
| Robert Stevenson | 0 | 0 |
| Robert Stolz | 24 | 0 |
| Robert Stolz Symphony Orchestra | 0 | 0 |
| Robert Strickland | 0 | 0 |
| Robert Suderburg | 0 | 0 |
| Robert Sund | 4 | 0 |
| Robert Swensen | 2 | 0 |
| Robert Szreder | 0 | 0 |