{"id":2351,"slug":"african-catalogue-deal-usd-price-concentration-robustness","title":"Robustness of Concentration of the disclosed-in-USD portion of African music deal prices, 2018-2026 (amount_usd)","source":"Recomputed from african-catalogue-deal-usd-price-concentration","source_url":"","source_type":"computed","method":"Sensitivity check on \"amount_usd\" in the dataset african-catalogue-deal-usd-price-concentration, 4 rows carrying a value. Rows sorted by that column, then the totals recomputed with the largest rows dropped one scenario at a time, and again with named rows excluded. sum_change_pct and mean_change_pct are each scenario against the full set. A finding that moves sharply when a single row leaves is a finding about that row.","unit":"usd","license":"Afrobeats Wire's compilation and analysis are licensed CC BY 4.0. Rights in the underlying source data remain with the source named above.","confidence":"high","retrieved":"2026-08-23 10:47:40","n":4,"first_party":0,"columns":[{"key":"scenario","label":"Scenario","type":"text"},{"key":"n","label":"Rows","type":"number"},{"key":"sum","label":"Total","type":"number"},{"key":"mean","label":"Mean","type":"number"},{"key":"top_share_pct","label":"Largest row share, %","type":"number"},{"key":"sum_change_pct","label":"Change in total, %","type":"number"},{"key":"mean_change_pct","label":"Change in mean, %","type":"number"}],"rows":[{"scenario":"All rows","n":4,"sum":838892734,"mean":209723183.5,"top_share_pct":92.38,"sum_change_pct":0,"mean_change_pct":0},{"scenario":"Excluding the top 1 (Virgin Music Group \/ Downtown Music Holdings)","n":3,"sum":63892734,"mean":21297578,"top_share_pct":59.47,"sum_change_pct":-92.38,"mean_change_pct":-89.84},{"scenario":"Excluding the top 3 (Virgin Music Group \/ Downtown Music Holdings, OSN \/ Anghamiu2026)","n":1,"sum":5892734,"mean":5892734,"top_share_pct":100,"sum_change_pct":-99.3,"mean_change_pct":-97.19}]}