Get top presenters from Boston Musical Intelligencer to figure out what series there may be to subscribe to.

subscription_opportunities.py

from collections import Counter
import bs4
import requests

p = requests.get('http://www.classical-scene.com/calendar/')
s = bs4.BeautifulSoup(p.content, "lxml")
presenters = s.select('.presenter > a')

c = Counter(p.text for p in performers)
# At least 4 concerts to be considered for a series subscription.
items = [i for i in c.most_common() if 4 < i[1]]
longest = max(len(k) for (k, v) in items)

for (k, v) in items:
  print(u"{0:<{1}}\t({2:>2} concerts)".format(k, longest, v))
  
# Output:
"""
Boston Symphony Orchestra       	(33 concerts)
Emmanuel Music                  	(18 concerts)
Isabella Stewart Gardner Museum 	(16 concerts)
New England Conservatory        	(15 concerts)
Boston Conservatory (S)         	(14 concerts)
Boston Civic Symphony           	(10 concerts)
Boston Artists Ensemble         	(10 concerts)
Boston Philharmonic             	( 9 concerts)
Longy School of Music           	( 9 concerts)
Chameleon Arts Ensemble         	( 8 concerts)
King’s Chapel                   	( 8 concerts)
Boston Baroque                  	( 7 concerts)
New Philharmonia                	( 7 concerts)
Handel and Haydn Society        	( 7 concerts)
Boston Chamber Music Society (S)	( 6 concerts)
St. Paul’s Parish               	( 5 concerts)
Celebrity Series                	( 5 concerts)
Boston Conservatory (T)         	( 5 concerts)
"""