======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '414'
                                          'artist'  'Rhys Chatham (with Glenn Branca, Nina Canal, Wharton Tiers)'
                                     'text_people'  ''
                                         'release'  'Tellus #01'
                                           'title'  'Guitar Trio (1977) (Recorded Live, 5/79 NYC)'
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-UNU-3', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '17'
                                      'tracktotal'  ''
                                            'date'  '1983'
                                        'comments'  ''
                                           'genre'  'electronic-experimental-oddness'
                                             'bpm'  '109.8'
                                             'key'  '12B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Tellus #01'
'TBPM' (BPM (beats per minute))                     '109.8'
'TCMP'                                              '1'
'TCON' (Content type, a.k.a. Genre)                 'electronic-experimental-oddness'
'TDRC' (Recording time)                             '1983'
'TIT2' (Title/songname/content description)         'Guitar Trio (1977) (Recorded Live, 5/79 NYC)'
'TKEY' (Initial key)                                '12B'
'TPE1' (Lead performer(s)/Soloist(s))               'Rhys Chatham (with Glenn Branca, Nina Canal, Wharton Tiers)'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '17'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '3'
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.78 dB'
'TXXX:replaygain_track_peak'                        '0.425980'

========================== row from database ==========================
                                              'id'  467269
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Tellus Audio Cassette Magazine/1983 - Tellus #1/17 - Rhys Chatham (with Glenn Branca, Nina Canal, Wharton Tiers) - Guitar Trio (1977) (Recorded Live, 579 NYC).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  414
                                           'genre'  electronic-experimental-oddness
                                        'filesize'  9973189
                                           'mtime'  1636912099
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm Audio Cassette Magazine 1983 #1 17 579 electronic experimental oddness
                                      'tag_artist'  Rhys Chatham (with Glenn Branca, Nina Canal, Wharton Tiers)
                                     'tag_release'  Tellus #01
                                       'tag_title'  Guitar Trio (1977) (Recorded Live, 5/79 NYC)
                                             'bpm'  109.8
                                    'search_title'  '1977':3,4 '5':9 '579':11 '79':10 'guitar':1 'live':7,8 'nyc':12,13 'recorded':5,6 'trio':2
                                   'search_artist'  'branca':6,7 'canal':9,10 'chatham':2 'glenn':5 'nina':8 'rhys':1 'tiers':12,13 'wharton':11 'with':3,4
                                  'search_release'  '01':2,3 'tellus':1
                                     'search_rest'  '1':5,6 '1983':4 '579':7 'audio':1 'cassette':2 'electronic':8 'experimental':9 'magazine':3 'oddness':10
                                    'search_combo'  '01':28C,29C '1':34,35 '1977':3A,4A '1983':33 '5':9A '579':11A,36 '79':10A 'audio':30 'branca':19B,20B 'canal':22B,23B 'cassette':31 'chatham':15B 'electronic':37 'experimental':38 'glenn':18B 'guitar':1A 'live':7A,8A 'magazine':32 'nina':21B 'nyc':12A,13A 'oddness':39 'recorded':5A,6A 'rhys':14B 'tellus':27C 'tiers':25B,26B 'trio':2A 'wharton':24B 'with':16B,17B
                                    'tag_tracknum'  17
                                      'num_images'  1
                                             'key'  12B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-3', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-1', 'q-other-4', 'Q-HAP-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  1983
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636912098.759936  (2021-11-14 18:48:18)
                             'size'  9973189