Original: In 1985 San Fermin day ( July 7 ) he escaped from prison with Iñaki Pikabea as there was a concert in the jail with Basque singer Imanol Larzabal , they hid themselves inside a loudspeaker .
Simplified: In 1985 he escaped from prison with Iñaki Pikaea during a concert in the jail with Basque singer Imanol Larzabal .