======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '124'
                                          'artist'  'Noah And The Whale'
                                     'text_people'  ''
                                         'release'  'Peaceful The World Lays Me Down'
                                           'title'  '2 Atoms In A Molecule'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-OLDST-3', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
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 "'q-chart-3', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
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                                      'lastfmtags'  "['indie', 'folk rock', 'indie folk', 'british', 'folk']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '01'
                                      'tracktotal'  ''
                                            'date'  '2008'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-indie-unsorted'
                                             'bpm'  '145.163'
                                             'key'  '12B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Peaceful The World Lays Me Down'
'TBPM' (BPM (beats per minute))                     '145.163'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-indie-unsorted'
'TDRC' (Recording time)                             '2008'
'TIT2' (Title/songname/content description)         '2 Atoms In A Molecule'
'TKEY' (Initial key)                                '12B'
'TPE1' (Lead performer(s)/Soloist(s))               'Noah And The Whale'
'TRCK' (Track number/Position in set)               '01'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['indie', 'folk rock', 'indie folk', 'british', 'folk']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '3'
'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'                                     '3'
'TXXX:replaygain_track_gain'                        '-1.47 dB'
'TXXX:replaygain_track_peak'                        '0.456967'

========================== row from database ==========================
                                              'id'  1249403
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/Noah And The Whale/Peaceful The World Lays Me Down/01-noah_and_the_whale-2_atoms_in_a_molecule.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  124
                                           'genre'  ifs-songwriter-indie-unsorted
                                        'filesize'  2993798
                                           'mtime'  1621852093
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos 01 noah_and_the_whale 2_atoms_in_a_molecule ifs songwriter indie unsorted
                                      'tag_artist'  Noah And The Whale
                                     'tag_release'  Peaceful The World Lays Me Down
                                       'tag_title'  2 Atoms In A Molecule
                                             'bpm'  145.163
                                    'search_title'  '2':1 'a':4 'atoms':2 'in':3 'molecule':5
                                   'search_artist'  'and':2 'noah':1 'the':3 'whale':4
                                  'search_release'  'down':6 'lays':4 'me':5 'peaceful':1 'the':2 'world':3
                                     'search_rest'  '00singer':1 '2':8 'a':11 'and':5 'atoms':9 'eos':3 'ifs':13 'in':10 'indie':14 'molecule':12 'noah':4 'songwriter':2 'the':6 'unsorted':15 'whale':7
                                    'search_combo'  '00singer':16 '2':1A,23 'a':4A,26 'and':7B,20 'atoms':2A,24 'down':15C 'eos':18 'ifs':28 'in':3A,25 'indie':29 'lays':13C 'me':14C 'molecule':5A,27 'noah':6B,19 'peaceful':10C 'songwriter':17 'the':8B,11C,21 'unsorted':30 'whale':9B,22 'world':12C
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  12B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', '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-3', 'q-syn-2', 'q-chart-3', 'q-other-3', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'folk rock', 'indie folk', 'british', 'folk']
                                        'tag_date'  2008
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621852093.270467  (2021-05-24 12:28:13)
                             'size'  2993798