To open your Cubasis 1.5 projects in Cubase you need to install the Cubasis Project Importer 1.2.
Here is the download link:
SUPPORTED CUBASE VERSIONS
Cubase Artist 7/6.5
Cubase LE/AI/Elements 6/7
Cubasis tracks that contain a Micrologue instrument instance will be assigned to Retrologue when being imported with a compatible host.*
Cubasis tracks that contain Allen Morgan Signature drum kits will be assigned to the appropriate Groove Agent drum kit when being imported with a compatible host.*
Frozen Cubasis instrument tracks will be imported as regular instrument tracks with muted state along with a separate audio track that contains the rendered data.
Compatibility with latest available Cubase versions.
(Requires appropriate versions of Retrologue and Allen Morgan Signature Drumkits to be properly installed on your computer)
Fixes a rare phenomenon where the import of Cubasis projects will be cancelled with an error message.
ISSUES AND SOLUTIONS
In some cases pitch bend recording data will not be imported correctly.
Open the MIDI editor of the track that contain pitch bend data select all pitch bend values inside the controller lane and adjust the range manually.
Micrologue presets will not be imported to Retrologue when using Cubase Elements / AI / LE 6.
Either change the parameter values in Retrologue manually to match the respective Micrologue preset or upgrade to Cubase Elements / AI / LE 7.
Micrologue presets will not be imported Retrologue when using Cubase 6.5.4 and Cubase Artist 6.5.4 or earlier.
Change the parameter values in Retrologue manually to match the respective Micrologue preset or upgrade to Cubase 7.
AM Ambient Kit II and AM House Kit II of the Allen Morgan Signature drum kits will not be imported correctly in all supported Cubase versions.
Please open the user interface of the inserted instrument in Cubase and load the respective drum kit manually.