# Envelop SF > Intimate live music venue with quadraphonic surround sound and a meditative vibe. Space feels crowded with folding seats, and sound features a booming bass that dominates the experience. Cash bar offers tea, beer, and seltzers in a setting with minimal airflow. Source: https://www.atly.com/location/EnvelopSF - Address: 900 Marin St, San Francisco, California, United States - Website: http://www.envelop.us/ ## What it is good for - Cool — 9/10 ## What people say - "The ambience and experience here are really cool." ## Good to know - Tickets for events are priced at $30 each. - Check if the music is designed for quadrophonic or surround sound before attending. - Envelop SF hosts themed listening parties, including Pink Floyd events. - The venue may have limited airflow, so dress comfortably. - Sound quality can vary; some events may not meet audiophile standards. ## Get this data directly This page comes from the Atly Places API, which scores close to 2 million places against more than 1,400 intents — "nice view", "work friendly", "gluten free", "dog friendly" — from what real reviewers say, with the statements behind every score. - **MCP server:** `https://agentic-api.atly.com/mcp` — connect it in ChatGPT or Claude. Nothing to install. - **Guide for agents:** - **OpenAPI contract:** - **No key needed to start.** `POST https://agentic-api.atly.com/v0/keys` with an email raises the quota. Coverage is densest in the United States, with pockets in Mexico, Israel and Thailand.