======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '236'
                                          'artist'  'Joni Mitchell'
                                     'text_people'  'Joni Mitchell'
                                         'release'  'For the Roses'
                                           'title'  'Let the Wind Carry Me'
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-3', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-OLDST-2', "
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 "'q-chart-3', 'q-drums-1', 'q-other-3', 'q-vocals-4', 'q-mixbeat-1', "
 "'Q-PIANO-4']")
                                      'lastfmtags'  "['acoustic', 'canadian', 'female vocalists', 'folk', 'singer songwriter']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '5'
                                      'tracktotal'  ''
                                            'date'  '1972'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-folk;ifs-songwriter-eos'
                                             'bpm'  '132.012'
                                             'key'  '11B'
                                        'acoustid'  ''
rest: ''

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'TALB' (Album/Movie/Show title)                     'For the Roses'
'TBPM' (BPM (beats per minute))                     '132.012'
'TCOM' (Composer)                                   'Joni Mitchell'
'TCON' (Content type, a.k.a. Genre)                 ['ifs-songwriter-folk', 'ifs-songwriter-eos']
'TDRC' (Recording time)                             '1972'
'TIT2' (Title/songname/content description)         'Let the Wind Carry Me'
'TKEY' (Initial key)                                '11B'
'TLEN' (Length)                                     '236533'
'TPE1' (Lead performer(s)/Soloist(s))               'Joni Mitchell'
'TPE2' (Band/orchestra/accompaniment)               'Joni Mitchell'
'TPUB' (Publisher)                                  'Asylum'
'TRCK' (Track number/Position in set)               '5'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-PIANO'                                      '4'
'TXXX:Q-PLAY'                                       '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['acoustic', 'canadian', 'female vocalists', 'folk', 'singer songwriter']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.29 dB'
'TXXX:replaygain_track_peak'                        '0.588525'

========================== row from database ==========================
                                              'id'  183267
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/Joni Mitchell/1972 - For the Roses/05-Let the Wind Carry Me.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  236
                                           'genre'  ifs-songwriter-folk;ifs-songwriter-eos
                                        'filesize'  9456728
                                           'mtime'  1636400336
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos 1972 05 ifs songwriter folk;ifs songwriter eos
                                      'tag_artist'  Joni Mitchell
                                     'tag_release'  For the Roses
                                       'tag_title'  Let the Wind Carry Me
                                             'bpm'  132.012
                                    'search_title'  'carry':4 'let':1 'me':5 'the':2 'wind':3
                                   'search_artist'  'joni':1 'mitchell':2
                                  'search_release'  'for':1 'roses':3 'the':2
                                     'search_rest'  '00singer':1 '1972':4 'eos':3 'folk':6,8 'ifs':5,7,9 'songwriter':2
                                    'search_combo'  '00singer':11 '1972':14 'carry':4A 'eos':13 'folk':16,18 'for':8C 'ifs':15,17,19 'joni':6B 'let':1A 'me':5A 'mitchell':7B 'roses':10C 'songwriter':12 'the':2A,9C 'wind':3A
                                    'tag_tracknum'  5
                                      'num_images'  0
                                             'key'  11B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-mixbeat-1', 'Q-PIANO-4', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-3', 'q-busy-2', 'q-drums-1', 'q-syn-1', 'q-chart-3', 'q-other-3', 'Q-HAP-2', 'Q-PLAY-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['acoustic', 'canadian', 'female vocalists', 'folk', 'singer songwriter']
                                        'tag_date'  1972
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636400336.2352335  (2021-11-08 20:38:56)
                             'size'  9456728