[1] Jebe received his education in Oslo, Leipzig, Berlin, and Paris.
Among his teachers were the violinist Joseph Joachim and the composer Jules Massenet.
In Paris he became acquainted with artists like Edvard Munch, Vilhelm Krag, August Strindberg and Christian Sinding.
[2] After a year as conductor at Fahlstrøms Theater (Centralteatret) in Christiania, where he met his future wife Sofie Bernhoft,[3] he left Europe 1901 and travelled extensively in Europe and Egypt.
[5] In January 1932 a concert with the Oslo Philharmonic Orchestra conducted by Olav Kielland and was dedicated to Jebe's works, notably the Symphony in A minor and parts of Loltun.