======================== unified (from filesystem) ========================
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                                        'duration'  '229'
                                          'artist'  'David Bowie And Pat Metheny Gr'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'David Bowie - this is Not America'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', "
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                                      'lastfmtags'  "['80s', 'classic rock', 'rock', 'usa', 'uk']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-eos'
                                             'bpm'  '114.999'
                                             'key'  '2A'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '114.999'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-eos'
'TIT2' (Title/songname/content description)         'David Bowie - this is Not America'
'TKEY' (Initial key)                                '2A'
'TPE1' (Lead performer(s)/Soloist(s))               'David Bowie And Pat Metheny Gr'
'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'                                   ['80s', 'classic rock', 'rock', 'usa', 'uk']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.84 dB'
'TXXX:replaygain_track_peak'                        '0.789515'

========================== row from database ==========================
                                              'id'  1282341
                                            'path'  /data/Music/Bulk/00poprockelectronic/David Bowie/David Bowie And Pat Metheny Group/David Bowie And Pat Metheny Group__This Is Not America.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  229
                                           'genre'  ifs-songwriter-eos
                                        'filesize'  5508998
                                           'mtime'  1638554931
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Group Group__This Is ifs songwriter eos
                                      'tag_artist'  David Bowie And Pat Metheny Gr
                                     'tag_release'  None
                                       'tag_title'  David Bowie - this is Not America
                                             'bpm'  114.999
                                    'search_title'  'america':6 'bowie':2 'david':1 'is':4 'not':5 'this':3
                                   'search_artist'  'and':3 'bowie':2 'david':1 'gr':6 'metheny':5 'pat':4
                                  'search_release'  
                                     'search_rest'  '00poprockelectronic':1 'eos':8 'group':2,3 'ifs':6 'is':5 'songwriter':7 'this':4
                                    'search_combo'  '00poprockelectronic':13 'america':6A 'and':9B 'bowie':2A,8B 'david':1A,7B 'eos':20 'gr':12B 'group':14,15 'ifs':18 'is':4A,17 'metheny':11B 'not':5A 'pat':10B 'songwriter':19 'this':3A,16
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  2A
                                           '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-4', 'q-syn-1', 'q-chart-2', 'q-other-3', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['80s', 'classic rock', 'rock', 'usa', 'uk']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1638554931.4375083  (2021-12-03 19:08:51)
                             'size'  5508998