| Hard To Say I'm Sorry/get Away | The Heart Of Chicago 1967-1997 |
| Hard to say I'm sorry | Kuschelrock 1 |
| If You Leave Me Now | Love Together |
| If You Leave Me Now | The Best Love… Ever!, Vol. 2 |
| Hard to Say I'm Sorry (Single Version) | Legendary American Anthems |
| Hard To Say I'M Sorry | American Heartbreak |
| Saturday in the Park | In Chicago |
| Hard Habit To Break | 100 Hits: Love |
| Liberation (2002 Remaster) | Chicago Transit Authority |
| Someday (August 29, 1968) [2002 Remaster] | Chicago Transit Authority |
| Prologue, August 29, 1968 (2002 Remaster) | Chicago Transit Authority |
| South California Purples (2002 Remaster) | Chicago Transit Authority |
| Free Form Guitar (2002 Remaster) | Chicago Transit Authority |
| Poem 58 (2002 Remaster) | Chicago Transit Authority |
| Listen (2002 Remaster) | Chicago Transit Authority |
| Questions 67 and 68 (2002 Remaster) | Chicago Transit Authority |
| Beginnings (2002 Remaster) | Chicago Transit Authority |
| Does Anybody Really Know What Time It Is? (2002 Remaster) | Chicago Transit Authority |
| Introduction (2002 Remaster) | Chicago Transit Authority |
| Hard To Say I'M Sorry (Single Version) | American Anthems |
| Mijn Houten Hart | Veronica Album Top 1000 Allertijden |
| God Save the Queen (2009 Remaster) | The Studio Albums 1979-2008 (Vol. 2) |
| Make Me Smile (2002 Remaster) | The Studio Albums 1969-1978 (Vol. 1) |
| Another Rainy Day In New York City | Collector's Edition |
