======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '183'
                                          'artist'  'William Shatner'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'The Transformed Man - Spleen'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', 'Q-UNU-2', "
 "'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['rock', 'comedy', 'spoken word', 'pop', 'canadian']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1995'
                                        'comments'  ''
                                           'genre'  'entertaining-unsorted'
                                             'bpm'  '141.9'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '141.9'
'TCON' (Content type, a.k.a. Genre)                 'entertaining-unsorted'
'TDRC' (Recording time)                             '1995'
'TIT2' (Title/songname/content description)         'The Transformed Man - Spleen'
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'William Shatner'
'TXXX:Mp3gain_minmax'                               '148,206'
'TXXX:Mp3gain_undo'                                 '+004,+004,N'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:lastfmtags'                                   ['rock', 'comedy', 'spoken word', 'pop', 'canadian']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'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'                        '+1.73 dB'
'TXXX:replaygain_track_peak'                        '0.475486'

========================== row from database ==========================
                                              'id'  1294546
                                            'path'  /data/Music/Bulk/00spent/William Shatner/09 - William Shatner - The Transformed Man - Spleen.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  183
                                           'genre'  entertaining-unsorted
                                        'filesize'  2930981
                                           'mtime'  1620647426
                                   'redo_metaread'  0
                                        'rest_str'   00spent 09 entertaining unsorted
                                      'tag_artist'  William Shatner
                                     'tag_release'  None
                                       'tag_title'  The Transformed Man - Spleen
                                             'bpm'  141.9
                                    'search_title'  'man':3 'spleen':4 'the':1 'transformed':2
                                   'search_artist'  'shatner':2 'william':1
                                  'search_release'  
                                     'search_rest'  '00spent':1 'entertaining':2 'unsorted':3
                                    'search_combo'  '00spent':7 'entertaining':8 'man':3A 'shatner':6B 'spleen':4A 'the':1A 'transformed':2A 'unsorted':9 'william':5B
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['rock', 'comedy', 'spoken word', 'pop', 'canadian']
                                        'tag_date'  1995
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620647425.9883986  (2021-05-10 13:50:25)
                             'size'  2930981