======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '343'
                                          'artist'  'Nick Cave & Dirty Three'
                                     'text_people'  ''
                                         'release'  '[non-album tracks]'
                                           'title'  'Time Jesum Transeuntum Et Non Riverentum / X-Files Theme'
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-2', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-1', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  ("['singer-songwriter', 'alternative', 'psychosis strike one', 'beautiful', "
 "'love at first listen']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'loc-unsorted'
                                             'bpm'  '141.909'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     '[non-album tracks]'
'TBPM' (BPM (beats per minute))                     '141.909'
'TCON' (Content type, a.k.a. Genre)                 'loc-unsorted'
'TIT2' (Title/songname/content description)         'Time Jesum Transeuntum Et Non Riverentum / X-Files Theme'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'Nick Cave & Dirty Three'
'TSOP' (Performer sort order)                       'Cave, Nick & Dirty Three'
'TXXX:MusicBrainz Artist Id'                        '4aae17a7-9f0c-487b-b60e-f8eafb410b1d/af8bb921-4d67-4f0d-ba17-6215315f92e4'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['singer-songwriter',
 'alternative',
 'psychosis strike one',
 'beautiful',
 'love at first listen']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+4.01 dB'
'TXXX:replaygain_track_peak'                        '0.901286'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'ab1b852b-a534-427e-8bcc-7540663482c7')

========================== row from database ==========================
                                              'id'  927237
                                            'path'  /data/Music/Bulk/00localcharacter/00south-europe-middle-east/Tabla Beat Science/Zakir Hussain/Zakir Hussain, Sultan Khan & Bill Laswell/zakir hussain, sultan khan, bill laswell, et. al. - (second set) - 02.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  343
                                           'genre'  loc-unsorted
                                        'filesize'  13725696
                                           'mtime'  1676052926
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00south europe middle east Tabla Beat Science Zakir Hussain Zakir Hussain, Sultan Khan Bill Laswell zakir hussain, sultan khan, bill laswell, et. al. (second set) 02 loc unsorted
                                      'tag_artist'  Nick Cave & Dirty Three
                                     'tag_release'  [non-album tracks]
                                       'tag_title'  Time Jesum Transeuntum Et Non Riverentum / X-Files Theme
                                             'bpm'  141.909
                                    'search_title'  'et':4 'files':8 'jesum':2 'non':5 'riverentum':6 'theme':10 'time':1 'transeuntum':3 'x':7 'xfiles':9
                                   'search_artist'  'cave':2 'dirty':3 'nick':1 'three':4
                                  'search_release'  'album':2 'non':1 'nonalbum':3 'tracks':4,5
                                     'search_rest'  '00south':1 'al':19,20 'beat':6 'bill':13 'east':4 'et':17,18 'europe':2 'hussain':9,10 'khan':12,15 'laswell':14,16 'loc':25 'middle':3 'science':7 'second':21,22 'set':23,24 'sultan':11 'tabla':5 'unsorted':26 'zakir':8
                                    'search_combo'  '00south':20 'al':38,39 'album':16C 'beat':25 'bill':32 'cave':12B 'dirty':13B 'east':23 'et':4A,36,37 'europe':21 'files':8A 'hussain':28,29 'jesum':2A 'khan':31,34 'laswell':33,35 'loc':44 'middle':22 'nick':11B 'non':5A,15C 'nonalbum':17C 'riverentum':6A 'science':26 'second':40,41 'set':42,43 'sultan':30 'tabla':24 'theme':10A 'three':14B 'time':1A 'tracks':18C,19C 'transeuntum':3A 'unsorted':45 'x':7A 'xfiles':9A 'zakir':27
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  9A
                                           'quals'  ['Q-HAP-2', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-2', 'Q-HHRNBTT-1', 'Q-OLDST-3', 'q-syn-1', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-1', 'q-mixbeat-1']
                                      'lastfmtags'  ['singer-songwriter', 'alternative', 'psychosis strike one', 'beautiful', 'love at first listen']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1676052926.3328106  (2023-02-10 19:15:26)
                             'size'  13725696