======================== unified (from filesystem) ========================
                                         'bitrate'  '256.0'
                                        'duration'  '48'
                                          'artist'  'Not The Beatles'
                                     'text_people'  ''
                                         'release'  'Not Live at 688'
                                           'title'  'Not the Beatles'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-2', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-3', 'q-play-2', "
 "'q-chart-1', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  ("['1980s', 'sounds like impaled northern moonforest with electric "
 "instruments', 'punk', 'outsider', 'parody']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  ''
                                            'date'  '1981'
                                        'comments'  ''
                                           'genre'  'rock-gr-punk'
                                             'bpm'  '144.4'
                                             'key'  '4A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM::eng'                                         'blog.wfmu.org'
'TALB' (Album/Movie/Show title)                     'Not Live at 688'
'TBPM' (BPM (beats per minute))                     '144.4'
'TCON' (Content type, a.k.a. Genre)                 'rock-gr-punk'
'TDRC' (Recording time)                             '1981'
'TIT2' (Title/songname/content description)         'Not the Beatles'
'TKEY' (Initial key)                                '4A'
'TPE1' (Lead performer(s)/Soloist(s))               'Not The Beatles'
'TRCK' (Track number/Position in set)               '1'
'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'                                   ['1980s',
 'sounds like impaled northern moonforest with electric instruments',
 'punk',
 'outsider',
 'parody']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '3'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.59 dB'
'TXXX:replaygain_track_peak'                        '0.543871'

========================== row from database ==========================
                                              'id'  660301
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/10/276_1_Not_The_Beatles_-_Not_the_Beatles.mp3
                                         'working'  None
                                         'bitrate'  256
                                    'duration_sec'  48
                                           'genre'  rock-gr-punk
                                        'filesize'  1580204
                                           'mtime'  1622658898
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm 10 276_1_Not_The_Beatles_ _Not_the_Beatles rock gr punk
                                      'tag_artist'  Not The Beatles
                                     'tag_release'  Not Live at 688
                                       'tag_title'  Not the Beatles
                                             'bpm'  144.4
                                    'search_title'  'beatles':3 'not':1 'the':2
                                   'search_artist'  'beatles':3 'not':1 'the':2
                                  'search_release'  '688':4 'at':3 'live':2 'not':1
                                     'search_rest'  '1':2 '276':1 'beatles':5,8 'gr':10 'not':3,6 'punk':11 'rock':9 'the':4,7
                                    'search_combo'  '1':12 '276':11 '688':10C 'at':9C 'beatles':3A,6B,15,18 'gr':20 'live':8C 'not':1A,4B,7C,13,16 'punk':21 'rock':19 'the':2A,5B,14,17
                                    'tag_tracknum'  1
                                      'num_images'  1
                                             'key'  4A
                                           '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-1', 'q-other-4', 'Q-HAP-3', 'q-bass-1', 'q-grit-3']
                                      'lastfmtags'  ['1980s', 'sounds like impaled northern moonforest with electric instruments', 'punk', 'outsider', 'parody']
                                        'tag_date'  1981
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1622658898.0730717  (2021-06-02 20:34:58)
                             'size'  1580204