======================== unified (from filesystem) ========================
                                         'bitrate'  '253.685'
                                        'duration'  '234'
                                          'artist'  'The Books'
                                     'text_people'  ''
                                         'release'  'Lost and Safe'
                                           'title'  'Vogt Dig for Kloppervok'
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-1', 'Q-UNU-2', 'Q-OLDST-3', 'Q-HHRNBTT-1', "
 "'Q-LOCALNESS-1', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-3', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['indie', 'electronica', 'electronic', 'experimental', 'indietronica']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  ''
                                            'date'  '2005'
                                        'comments'  ''
                                           'genre'  'electronic-unsorted'
                                             'bpm'  '121.994'
                                             'key'  '11B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Lost and Safe'
'TBPM' (BPM (beats per minute))                     '121.994'
'TCON' (Content type, a.k.a. Genre)                 'electronic-unsorted'
'TDRC' (Recording time)                             '2005'
'TIT2' (Title/songname/content description)         'Vogt Dig for Kloppervok'
'TKEY' (Initial key)                                '11B'
'TPE1' (Lead performer(s)/Soloist(s))               'The Books'
'TRCK' (Track number/Position in set)               '3'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['indie', 'electronica', 'electronic', 'experimental', 'indietronica']
'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'                                     '2'
'TXXX:replaygain_track_gain'                        '+1.14 dB'
'TXXX:replaygain_track_peak'                        '0.747096'

========================== row from database ==========================
                                              'id'  1347032
                                            'path'  /data/Music/Bulk/00poprockelectronic/00trip/The Books/The Books - Lost and Safe - 03 - Vogt Dig for Kloppervok.mp3
                                         'working'  None
                                         'bitrate'  254
                                    'duration_sec'  234
                                           'genre'  electronic-unsorted
                                        'filesize'  7437346
                                           'mtime'  1640870557
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 00trip 03 electronic unsorted
                                      'tag_artist'  The Books
                                     'tag_release'  Lost and Safe
                                       'tag_title'  Vogt Dig for Kloppervok
                                             'bpm'  121.994
                                    'search_title'  'dig':2 'for':3 'kloppervok':4 'vogt':1
                                   'search_artist'  'books':2 'the':1
                                  'search_release'  'and':2 'lost':1 'safe':3
                                     'search_rest'  '00poprockelectronic':1 '00trip':2 'electronic':3 'unsorted':4
                                    'search_combo'  '00poprockelectronic':10 '00trip':11 'and':8C 'books':6B 'dig':2A 'electronic':12 'for':3A 'kloppervok':4A 'lost':7C 'safe':9C 'the':5B 'unsorted':13 'vogt':1A
                                    'tag_tracknum'  3
                                      'num_images'  0
                                             'key'  11B
                                           'quals'  ['Q-HAP-2', 'Q-JZFKS-1', 'Q-UNU-2', 'Q-OLDST-3', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-3', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-2', 'q-mixbeat-1']
                                      'lastfmtags'  ['indie', 'electronica', 'electronic', 'experimental', 'indietronica']
                                        'tag_date'  2005
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1640870557.3317885  (2021-12-30 14:22:37)
                             'size'  7437346