| Verfasser | Häufigkeit |
| Safari, an O'Reilly Media Company |
286 |
| O'Reilly for Higher Education (Firm) |
121 |
| Skrjabin, Aleksandr N. 1872-1915 |
58 |
| Newman, Alfred 1901-1970 |
55 |
| Netrebko, Anna 1971- |
43 |
| Verdi, Giuseppe 1813-1901 |
38 |
| Debussy, Claude 1862-1918 |
30 |
| Nicolet, Aurèle 1926-2016 |
30 |
| Mozart, Wolfgang Amadeus 1756-1791 |
29 |
| North, Alex 1910-1991 |
27 |
| Rutgers van der Loeff, An 1910-1990 |
20 |
| Noni, Alda 1916-2011 |
19 |
| Puccini, Giacomo 1858-1924 |
19 |
| Šostakovič, Dmitrij Dmitrievič 1906-1975 |
19 |
| Nannuzzi, Armando 1925-2001 |
18 |
| Ravel, Maurice 1875-1937 |
18 |
| Abu-'l-Ǧūd, Ḫālid Ḥasan |
17 |
| Wagner, Richard 1813-1883 |
17 |
| Ārkātī, Muḥammad Ġauṯ Ibn-Nāṣir ad-Dīn Muḥammad Ibn-Niẓām ad-Dīn Aḥmad an-Nāʾiṭī al- 1753-1822 |
17 |
| Beethoven, Ludwig van 1770-1827 |
16 |