The open letter supports a bill advocating for ticket sale transparency and consumer protection against bots.
CEO Shou Zi Chew responded to the bill, which President Biden signed Wednesday.
HSF shares have recently been trading above the latest offer prices, suggesting some investors expect the bidding to continue.
Created by advocacy group The 100 Percenters, the Safe Music Business pledge asks signatories to abide by rules designed to ensure safe spaces for music workers.
The Nashville-based company is now offering $1.25 per share, a penny more than Blackstone's possible bid, and says it wants to sell 30% of the fund's assets.
As Concord and Blackstone vie to acquire the embattled song fund, Merck Mercuriadis' future with its investment adviser remains unclear.
The annual business report assessing the health of the dance industry was presented April 24 during the IMS Ibiza conference.
The controversial legislation was included in a broader foreign aid package.
Retail Track Rides Again: Thanks to a wider selection of titles, including from artists like David Byrne, Paramore and Chappell Roan, some retailers said business was even better than last year.
The deal represents a substantial minority investment in the company, which operates across multiple verticals and boasts Jack Harlow, Saweetie and more as clients.
