1. Willingness
1.1. Rewarding
1.1.1. My work made a difference
1.1.1.1. Importance
1.1.1.2. Sense of progress
1.1.1.3. Success stories
1.1.2. My work is recognized
1.1.2.1. "My dashboard"
1.1.2.1.1. Download counts
1.1.2.1.2. Badges
1.1.3. My work is published quickly
1.2. Interested
1.2.1. Musical affinity
1.2.2. Agree with project purpose and values
1.2.3. Affinity to open source and public domain efforts
1.3. Invested
1.3.1. My community
1.3.2. Have contributed in past
1.4. Free time
2. Awareness
2.1. Personally contacted
2.1.1. Targeted notice
2.1.2. Call-to-action
2.2. Peers contribute
2.3. email-list notices
3. Ease
3.1. Easy Selection
3.1.1. Opportunistic
3.1.1.1. Planned to typeset anyway
3.1.1.2. Rescue partial work of others
3.1.1.3. Novel arrangements and original work
3.1.2. Directed
3.1.2.1. Search for and refer-to PD/CC pieces typeset in LP to reformat for Mutopia
3.1.2.2. New score "Wanted" list
3.1.2.2.1. By value
3.1.2.2.2. By skillset or difficulty
3.1.2.2.3. By effort to complete
3.1.2.3. Scores needing repair/update
3.2. Available support tools
3.2.1. Available source
3.2.1.1. Links to public domain sources
3.2.1.1.1. Eligible
3.2.1.1.2. Adequate
3.2.2. Easy to submit
3.2.2.1. Clear workflow guides
3.2.2.1.1. Easy or getting easier
3.2.2.2. Convenient
3.2.3. Easy to typeset
3.2.3.1. Self-help
3.2.3.1.1. Templates
3.2.3.1.2. Clear setup guide
3.2.3.1.3. Workflow guide
3.2.3.1.4. Examples, FAQs Do's/Don'ts
3.2.3.1.5. Notation guides
3.2.3.2. Live support
3.2.3.2.1. Typesetting
3.2.3.2.2. Copyright
3.2.3.2.3. Site issues
3.2.3.2.4. Special pieces
3.2.3.2.5. Advanced formatting/notation