======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '690'
                                          'artist'  'Tom Waits'
                                     'text_people'  'Tom Waits'
                                         'release'  'Nighthawks at the Diner'
                                           'title'  'Nighthawk Postcards'
                                           'quals'  ("['Q-JZFKS-2', 'Q-HAP-2', 'Q-LOCALNESS-2', 'Q-UNU-2', 'Q-OLDST-2', "
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 "'q-chart-4', 'q-drums-2', 'q-other-2', 'q-vocals-4', 'q-mixbeat-1', "
 "'Q-PIANO-2']")
                                      'lastfmtags'  "['blues', 'rock', 'alternative', 'experimental', 'singer songwriter']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '9'
                                      'tracktotal'  ''
                                            'date'  '1975'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-experimental'
                                             'bpm'  '142.2'
                                             'key'  '3A'
                                        'acoustid'  ''
rest: ''

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

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'TALB' (Album/Movie/Show title)                     'Nighthawks at the Diner'
'TBPM' (BPM (beats per minute))                     '142.2'
'TCOM' (Composer)                                   'Tom Waits'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-experimental'
'TDRC' (Recording time)                             '1975'
'TIT2' (Title/songname/content description)         'Nighthawk Postcards'
'TKEY' (Initial key)                                '3A'
'TLEN' (Length)                                     '690106'
'TPE1' (Lead performer(s)/Soloist(s))               'Tom Waits'
'TPE2' (Band/orchestra/accompaniment)               'Tom Waits'
'TPUB' (Publisher)                                  'Asylum'
'TRCK' (Track number/Position in set)               '9'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-PIANO'                                      '2'
'TXXX:Q-PLAY'                                       '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:lastfmtags'                                   ['blues', 'rock', 'alternative', 'experimental', 'singer songwriter']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+2.72 dB'
'TXXX:replaygain_track_peak'                        '0.700541'

========================== row from database ==========================
                                              'id'  1336588
                                            'path'  /data/Music/Bulk/00poprockelectronic/TomWaits/Nighthawks At The Diner/09-Nighthawk Postcards (From Easy Street).mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  690
                                           'genre'  ifs-songwriter-experimental
                                        'filesize'  27609088
                                           'mtime'  1639508232
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic TomWaits At The 09 (From Easy Street) ifs songwriter experimental
                                      'tag_artist'  Tom Waits
                                     'tag_release'  Nighthawks at the Diner
                                       'tag_title'  Nighthawk Postcards
                                             'bpm'  142.2
                                    'search_title'  'nighthawk':1 'postcards':2
                                   'search_artist'  'tom':1 'waits':2
                                  'search_release'  'at':2 'diner':4 'nighthawks':1 'the':3
                                     'search_rest'  '00poprockelectronic':1 'at':3 'easy':7 'experimental':12 'from':5,6 'ifs':10 'songwriter':11 'street':8,9 'the':4 'tom':13 'tomwaits':2 'waits':14
                                    'search_combo'  '00poprockelectronic':9 'at':6C,11 'diner':8C 'easy':15 'experimental':20 'from':13,14 'ifs':18 'nighthawk':1A 'nighthawks':5C 'postcards':2A 'songwriter':19 'street':16,17 'the':7C,12 'tom':3B,21 'tomwaits':10 'waits':4B,22
                                    'tag_tracknum'  9
                                      'num_images'  0
                                             'key'  3A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-2', 'q-mixbeat-1', 'Q-PIANO-2', 'Q-OLDST-2', 'Q-UNU-2', 'Q-JZFKS-2', 'q-busy-2', 'q-drums-2', 'q-syn-2', 'q-chart-4', 'q-other-2', 'Q-HAP-2', 'Q-PLAY-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['blues', 'rock', 'alternative', 'experimental', 'singer songwriter']
                                        'tag_date'  1975
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1639508232.104434  (2021-12-14 19:57:12)
                             'size'  27609088