======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '348'
                                          'artist'  'Carol Emanuel, Tom Cora, Bill Frisell and Bobby Previte'
                                     'text_people'  ''
                                         'release'  'Tellus #15: The Improvisors'
                                           'title'  ('Performance at the Stephanie and Irving Stone Festival of Improvisors, '
 'November 1985')
                                           'quals'  "['q-bass-1', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-1']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '02'
                                      'tracktotal'  ''
                                            'date'  '1986'
                                        'comments'  ''
                                           'genre'  'pop'
                                             'bpm'  '104.6'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

======================== rawer (from filesystem) ========================

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Tellus #15: The Improvisors'
'TBPM' (BPM (beats per minute))                     '104.6'
'TCMP'                                              '1'
'TCON' (Content type, a.k.a. Genre)                 'pop'
'TDRC' (Recording time)                             '1986'
'TIT2' (Title/songname/content description)         ('Performance at the Stephanie and Irving Stone Festival of Improvisors, '
 'November 1985')
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               'Carol Emanuel, Tom Cora, Bill Frisell and Bobby Previte'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '02'
'TXXX:q-bass'                                       '1'
'TXXX:q-drums'                                      '4'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.65 dB'
'TXXX:replaygain_track_peak'                        '0.718550'

========================== row from database ==========================
                                              'id'  408733
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Tellus Audio Cassette Magazine/1986 - Tellus #15 - The Improvisors/02 - Carol Emanuel, Tom Cora, Bill Frisell and Bobby Previte - Performance at the Stephanie and Irving Stone Festival of Improvisors, November 1985.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  348
                                           'genre'  pop
                                        'filesize'  8386751
                                           'mtime'  1620174851
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm Audio Cassette Magazine 1986 02 pop
                                      'tag_artist'  Carol Emanuel, Tom Cora, Bill Frisell and Bobby Previte
                                     'tag_release'  Tellus #15: The Improvisors
                                       'tag_title'  Performance at the Stephanie and Irving Stone Festival of Improvisors, November 1985
                                             'bpm'  104.6
                                    'search_title'  '1985':13 'and':5 'at':2 'festival':8 'improvisors':10,11 'irving':6 'november':12 'of':9 'performance':1 'stephanie':4 'stone':7 'the':3
                                   'search_artist'  'and':9 'bill':7 'bobby':10 'carol':1 'cora':5,6 'emanuel':2,3 'frisell':8 'previte':11 'tom':4
                                  'search_release'  '15':2,3 'improvisors':5 'tellus':1 'the':4
                                     'search_rest'  '1986':4 'audio':1 'cassette':2 'magazine':3 'pop':5
                                    'search_combo'  '15':26C,27C '1985':13A '1986':33 'and':5A,22B 'at':2A 'audio':30 'bill':20B 'bobby':23B 'carol':14B 'cassette':31 'cora':18B,19B 'emanuel':15B,16B 'festival':8A 'frisell':21B 'improvisors':10A,11A,29C 'irving':6A 'magazine':32 'november':12A 'of':9A 'performance':1A 'pop':34 'previte':24B 'stephanie':4A 'stone':7A 'tellus':25C 'the':3A,28C 'tom':17B
                                    'tag_tracknum'  2
                                      'num_images'  1
                                             'key'  1A
                                           'quals'  ['q-drums-4', 'q-vocals-1', 'q-other-3', 'q-piano-1', 'q-bass-1']
                                      'lastfmtags'  []
                                        'tag_date'  1986
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620174850.585773  (2021-05-05 02:34:10)
                             'size'  8386751