| 1997 | Foundation of Christiane & Hauke Hartmann and Just Gospel |
| July | Release of the CD Best of Gospel-Time |
| 2000 | Expo 2000, Hannover/ Germany 4 concerts |
| Jazz-Festival Montreux/ Swiss 2 concerts | |
| 2001 | Jazz-Festival Montreux/ Swiss 3 concerts |
| Jocelyn B. Smith and Just Gospel , Bochum Germany | |
| 2002 | Christmas- Gospel - Gala, Germany |
| 2003 | |
| February | Ski-Worl Shampionship St. Moritz/ Swiss 15 concerts |
| April | Release of the 2nd CD The reason we sing |
| Release of a Voice-Training Programm for Black Gospel Style | |
| June | Berlin, Oekumenischer Kirchentag. Concerts and 3 Workshops |
| July | Jazz-Festival Montreux/ Swiss 3 concerts |
| December | Christmas - Gospel – Gala, Germany |
| 2004 | |
| June | Live-Recording of a Concert in Bochum, Germany |
| Release of Just Gospel featuring The Just Gospel Family - live | |
| December | Weihnachts - Gospel – Gala, Deutschland |
| 2005 | |
| May | Gospelfestival Bochum with Afro, Sweden |
| June | Evangelischer Kirchentag Hannover, Germany. Treffpunkt Gospel |
- concerts and workshops |
|
| December | Christmas - Gospel – Gala, Germany |
| 2006 | |
| May | Concerts on pentacost |
| December | Black Gospel - Night 1st Advent with «Naturally 7», USA |
| 2007 | |
| May | Concert Bochum, Christuskirche 26.05.07 8.00 p.m |
Night of religions, Pauluskirche Dortmund 27.05.07 |
|
| June | 31. Evangelischer Kirchentag Köln 6.-10.06.07 |
| 7.June | 06 p.m Konzert Poller Wiesen 08 p.m. Wise Guys |
| 9.June | 10.30 -11.30 a.m.Treffpunkt Gospel: Gospel-service
08 p.m. Open-Air-concert Am Tanzbrunnen with NATURALLY7 |