his line
                const instrumentContext = new MidiInstrumentContext(
                    index,  // channel
                    100,    // velocity
                    values.gateLength,  // gate length
                    values.octave * 12  // transpose (convert octaves to semitones)
                );
                
                // Add line to project data with instrument context
                projectData.addLine(values.pattern, instrumentContext);
                
                // Add 