======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '426'
                                          'artist'  'Barbara Ess (with Barbara Barg)'
                                     'text_people'  ''
                                         'release'  'Tellus #01'
                                           'title'  'You Who Know No Pain'
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-UNU-3', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '12'
                                      'tracktotal'  ''
                                            'date'  '1983'
                                        'comments'  ''
                                           'genre'  'electronic-experimental-oddness'
                                             'bpm'  '85.2'
                                             'key'  '11A'
                                        '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))                     '85.2'
'TCMP'                                              '1'
'TCON' (Content type, a.k.a. Genre)                 'electronic-experimental-oddness'
'TDRC' (Recording time)                             '1983'
'TIT2' (Title/songname/content description)         'You Who Know No Pain'
'TKEY' (Initial key)                                '11A'
'TPE1' (Lead performer(s)/Soloist(s))               'Barbara Ess (with Barbara Barg)'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '12'
'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'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+1.04 dB'
'TXXX:replaygain_track_peak'                        '0.723066'

========================== row from database ==========================
                                              'id'  395351
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Tellus Audio Cassette Magazine/1983 - Tellus #1/12 - Barbara Ess (with Barbara Barg) - You Who Know No Pain.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  426
                                           'genre'  electronic-experimental-oddness
                                        'filesize'  10277789
                                           'mtime'  1636912093
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm Audio Cassette Magazine 1983 #1 12 electronic experimental oddness
                                      'tag_artist'  Barbara Ess (with Barbara Barg)
                                     'tag_release'  Tellus #01
                                       'tag_title'  You Who Know No Pain
                                             'bpm'  85.2
                                    'search_title'  'know':3 'no':4 'pain':5 'who':2 'you':1
                                   'search_artist'  'barbara':1 'barg':5,6 'ess':2 'with':3,4
                                  'search_release'  '01':2,3 'tellus':1
                                     'search_rest'  '1':5,6 '1983':4 'audio':1 'cassette':2 'electronic':7 'experimental':8 'magazine':3 'oddness':9
                                    'search_combo'  '01':13C,14C '1':19,20 '1983':18 'audio':15 'barbara':6B 'barg':10B,11B 'cassette':16 'electronic':21 'ess':7B 'experimental':22 'know':3A 'magazine':17 'no':4A 'oddness':23 'pain':5A 'tellus':12C 'who':2A 'with':8B,9B 'you':1A
                                    'tag_tracknum'  12
                                      'num_images'  1
                                             'key'  11A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', '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-4', 'q-syn-2', 'q-chart-1', 'q-other-3', 'Q-HAP-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  1983
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636912093.3972871  (2021-11-14 18:48:13)
                             'size'  10277789