======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '316'
                                          'artist'  'Ruth White'
                                     'text_people'  ''
                                         'release'  'Flowers Of Evil'
                                           'title'  'Track 8'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-UNU-1', "
 "'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-1']")
                                      'lastfmtags'  "['avant garde', 'electronic', 'moog', 'experimental', 'ambient']"
                                     'discogstags'  "['electronic', 'musique concrète', 'experimental']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '8'
                                      'tracktotal'  ''
                                            'date'  '2016'
                                        'comments'  ''
                                           'genre'  'electronic'
                                             'bpm'  '107.2'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Flowers Of Evil'
'TBPM' (BPM (beats per minute))                     '107.2'
'TCON' (Content type, a.k.a. Genre)                 'electronic'
'TDRC' (Recording time)                             '2016'
'TIT2' (Title/songname/content description)         'Track 8'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Ruth White'
'TPE2' (Band/orchestra/accompaniment)               'Ruth White'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '8'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['electronic', 'musique concrète', 'experimental']
'TXXX:lastfmtags'                                   ['avant garde', 'electronic', 'moog', 'experimental', 'ambient']
'TXXX:original release date'                        ['2006', '2016']
'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'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.49 dB'
'TXXX:replaygain_track_peak'                        '0.493519'

========================== row from database ==========================
                                              'id'  649202
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/music for maniacs/Ruth_White_-_Track_8.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  316
                                           'genre'  electronic
                                        'filesize'  7600128
                                           'mtime'  1636912855
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm music for maniacs Ruth_White_ _Track_8 electronic
                                      'tag_artist'  Ruth White
                                     'tag_release'  Flowers Of Evil
                                       'tag_title'  Track 8
                                             'bpm'  107.2
                                    'search_title'  '8':2 'track':1
                                   'search_artist'  'ruth':1 'white':2
                                  'search_release'  'evil':3 'flowers':1 'of':2
                                     'search_rest'  '8':7 'electronic':8 'for':2 'maniacs':3 'music':1 'ruth':4 'track':6 'white':5
                                    'search_combo'  '8':2A,14 'electronic':15 'evil':7C 'flowers':5C 'for':9 'maniacs':10 'music':8 'of':6C 'ruth':3B,11 'track':1A,13 'white':4B,12
                                    'tag_tracknum'  8
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-1', 'q-other-2', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['avant garde', 'electronic', 'moog', 'experimental', 'ambient']
                                        'tag_date'  2016
                                     'discogstags'  ['electronic', 'musique concrète', 'experimental']

============================== file details ==============================
                                           'mtime'  1636912854.9218366  (2021-11-14 19:00:54)
                             'size'  7600128