Currently the congregations of the Gellert Church and St. James Church , two other churches in Basel , also make up part of the congregation of the Minster .
The City of Basel , however , still contributes three quarters of the building 's maintenance costs .
Currently the congregations of the Gellert Church and St. James Church , two other churches in City of Basel , also make up part of the congregation of the Minster .
The City of Basel , however , still contributes three quarters of the building 's maintenance costs .