======================== unified (from filesystem) ========================
                                         'bitrate'  '159.98'
                                        'duration'  '211'
                                          'artist'  'Van She'
                                     'text_people'  ''
                                         'release'  'V'
                                           'title'  'Changes'
                                           'quals'  ("['Q-JZFKS-1', 'Q-UNU-1', '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-2', "
 "'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-2', 'q-mixbeat-3']")
                                      'lastfmtags'  "['alternative', 'new rave', 'electro', 'electronic', 'australian']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  ''
                                            'date'  '2008'
                                        'comments'  ''
                                           'genre'  'electronic-unsorted'
                                             'bpm'  '139.948'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'V'
'TBPM' (BPM (beats per minute))                     '139.948'
'TCON' (Content type, a.k.a. Genre)                 'electronic-unsorted'
'TDOR' (Original release time)                      '2008'
'TDRC' (Recording time)                             '2008'
'TIT2' (Title/songname/content description)         'Changes'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'Van She'
'TRCK' (Track number/Position in set)               '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['alternative', 'new rave', 'electro', 'electronic', 'australian']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+10.74 dB'
'TXXX:replaygain_track_peak'                        '0.111998'

========================== row from database ==========================
                                              'id'  1340484
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/[loose files]/03 - VAN  SHE - Changes.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  211
                                           'genre'  electronic-unsorted
                                        'filesize'  4236069
                                           'mtime'  1652397924
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted [loose files] 03 VAN SHE electronic unsorted
                                      'tag_artist'  Van She
                                     'tag_release'  V
                                       'tag_title'  Changes
                                             'bpm'  139.948
                                    'search_title'  'changes':1
                                   'search_artist'  'she':2 'van':1
                                  'search_release'  'v':1
                                     'search_rest'  '00poprockelectronic':1 'electronic':9 'files':5,6 'loose':3,4 'she':8 'unsorted':2 'van':7
                                    'search_combo'  '00poprockelectronic':5 'changes':1A 'electronic':13 'files':9,10 'loose':7,8 'she':3B,12 'unsorted':6 'v':4C 'van':2B,11
                                    'tag_tracknum'  3
                                      'num_images'  0
                                             'key'  9A
                                           'quals'  ['Q-JZFKS-1', 'Q-UNU-1', '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-2', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-2', 'q-mixbeat-3']
                                      'lastfmtags'  ['alternative', 'new rave', 'electro', 'electronic', 'australian']
                                        'tag_date'  2008
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1652397923.6487725  (2022-05-13 01:25:23)
                             'size'  4236069