======================== unified (from filesystem) ========================
                                         'bitrate'  '256.0'
                                        'duration'  '214'
                                          'artist'  'Vandaveer'
                                     'text_people'  ''
                                         'release'  '52 Weeks - Spring'
                                           'title'  'The Gregarious Brain'
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-1', 'Q-UNU-1', 'q-syn-2', 'q-bass-4', 'q-busy-3', "
 "'q-grit-2', 'q-play-2', 'Q-OLDST-3', 'Q-PIANO-3', 'q-chart-1', 'q-drums-1', "
 "'q-other-2', 'q-vocals-3', 'Q-HHRNBTT-1', 'q-mixbeat-1', 'Q-LOCALNESS-1']")
                                      'lastfmtags'  "['folk', 'indie', 'folk rock', 'rock', 'indie folk']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '12'
                                      'tracktotal'  '13'
                                            'date'  '2008'
                                        'comments'  ''
                                           'genre'  'electronic-unsorted'
                                             'bpm'  '144.2'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     '52 Weeks - Spring'
'TBPM' (BPM (beats per minute))                     '144.2'
'TCMP'                                              '1'
'TCON' (Content type, a.k.a. Genre)                 'electronic-unsorted'
'TDRC' (Recording time)                             '2008'
'TIT2' (Title/songname/content description)         'The Gregarious Brain'
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'Vandaveer'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '12/13'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-PIANO'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['folk', 'indie', 'folk rock', 'rock', 'indie folk']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.79 dB'
'TXXX:replaygain_track_peak'                        '0.722042'

========================== row from database ==========================
                                              'id'  1380875
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Ceschi - pm008 - 52Weeks [2008]/set2-Spring-12-Vandaveer-The_Gregarious_Brain.mp3
                                         'working'  None
                                         'bitrate'  256
                                    'duration_sec'  214
                                           'genre'  electronic-unsorted
                                        'filesize'  7104489
                                           'mtime'  1637785047
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm Ceschi pm008 52Weeks [2008] set2 12 The_Gregarious_Brain electronic unsorted
                                      'tag_artist'  Vandaveer
                                     'tag_release'  52 Weeks - Spring
                                       'tag_title'  The Gregarious Brain
                                             'bpm'  144.2
                                    'search_title'  'brain':3 'gregarious':2 'the':1
                                   'search_artist'  'vandaveer':1
                                  'search_release'  '52':1 'spring':3 'weeks':2
                                     'search_rest'  '2008':4,5 '52weeks':3 'brain':9 'ceschi':1 'electronic':10 'gregarious':8 'pm008':2 'set2':6 'the':7 'unsorted':11
                                    'search_combo'  '2008':11,12 '52':5C '52weeks':10 'brain':3A,16 'ceschi':8 'electronic':17 'gregarious':2A,15 'pm008':9 'set2':13 'spring':7C 'the':1A,14 'unsorted':18 'vandaveer':4B 'weeks':6C
                                    'tag_tracknum'  12
                                      'num_images'  1
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-mixbeat-1', 'Q-PIANO-3', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-1', 'q-other-2', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['folk', 'indie', 'folk rock', 'rock', 'indie folk']
                                        'tag_date'  2008
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1637785046.8250272  (2021-11-24 21:17:26)
                             'size'  7104489