======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '348'
                                          'artist'  'Travelers Insurance Company'
                                     'text_people'  ''
                                         'release'  'Music for Maniacs'
                                           'title'  'The Triumph of Man - Side 2'
                                           '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-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-2']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1964'
                                        'comments'  ''
                                           'genre'  'electronic-experimental-oddness'
                                             'bpm'  '129.5'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Music for Maniacs'
'TBPM' (BPM (beats per minute))                     '129.5'
'TCON' (Content type, a.k.a. Genre)                 'electronic-experimental-oddness'
'TDRC' (Recording time)                             '1964'
'TIT2' (Title/songname/content description)         'The Triumph of Man - Side 2'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Travelers Insurance Company'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'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'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+2.65 dB'
'TXXX:replaygain_track_peak'                        '0.523594'

========================== row from database ==========================
                                              'id'  650076
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/music for maniacs/060_2_Travelers_Insurance_Company_-_The_Triumph_of_Man.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  348
                                           'genre'  electronic-experimental-oddness
                                        'filesize'  8370827
                                           'mtime'  1636916213
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm music maniacs 060_2_Travelers_Insurance_Company_ _The_Triumph_of_Man electronic experimental oddness
                                      'tag_artist'  Travelers Insurance Company
                                     'tag_release'  Music for Maniacs
                                       'tag_title'  The Triumph of Man - Side 2
                                             'bpm'  129.5
                                    'search_title'  '2':6 'man':4 'of':3 'side':5 'the':1 'triumph':2
                                   'search_artist'  'company':3 'insurance':2 'travelers':1
                                  'search_release'  'for':2 'maniacs':3 'music':1
                                     'search_rest'  '060':3 '2':4 'company':7 'electronic':12 'experimental':13 'insurance':6 'man':11 'maniacs':2 'music':1 'oddness':14 'of':10 'the':8 'travelers':5 'triumph':9
                                    'search_combo'  '060':15 '2':6A,16 'company':9B,19 'electronic':24 'experimental':25 'for':11C 'insurance':8B,18 'man':4A,23 'maniacs':12C,14 'music':10C,13 'oddness':26 'of':3A,22 'side':5A 'the':1A,20 'travelers':7B,17 'triumph':2A,21
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', '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-2', 'Q-HAP-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  1964
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636916212.5337956  (2021-11-14 19:56:52)
                             'size'  8370827