======================== unified (from filesystem) ========================
                                         'bitrate'  '256.0'
                                        'duration'  '202'
                                          'artist'  'Alan Parsons Project'
                                     'text_people'  ''
                                         'release'  'I Robot'
                                           'title'  'Nucleus'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', "
 "'Q-OLDST-2', 'q-syn-3', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-2', 'q-other-4', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['progressive rock', 'classic rock', 'rock', '80s', 'symphonic rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '07'
                                      'tracktotal'  ''
                                            'date'  '1977'
                                        'comments'  ''
                                           'genre'  'electronic-experimental-early'
                                             'bpm'  '127.8'
                                             'key'  '12B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'I Robot'
'TBPM' (BPM (beats per minute))                     '127.8'
'TCON' (Content type, a.k.a. Genre)                 'electronic-experimental-early'
'TDRC' (Recording time)                             '1977'
'TENC' (Encoded by)                                 'CDex vesion 1.40'
'TIT2' (Title/songname/content description)         'Nucleus'
'TKEY' (Initial key)                                '12B'
'TPE1' (Lead performer(s)/Soloist(s))               'Alan Parsons Project'
'TRCK' (Track number/Position in set)               '07'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['progressive rock', 'classic rock', 'rock', '80s', 'symphonic rock']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+0.32 dB'
'TXXX:replaygain_track_peak'                        '0.710207'

========================== row from database ==========================
                                              'id'  1532485
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Global_s __And then came the Synths__ (Tfva&s)/Part2 - Med. Volume [256k VBR]/7. Alan Parsons Project - Nucleus (1977).mp3
                                         'working'  None
                                         'bitrate'  256
                                    'duration_sec'  202
                                           'genre'  electronic-experimental-early
                                        'filesize'  7294306
                                           'mtime'  1637328969
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm Global_s __And then came the Synths__ (Tfva&s) Part2 Med. Volume [256k VBR] 7. (1977) electronic experimental early
                                      'tag_artist'  Alan Parsons Project
                                     'tag_release'  I Robot
                                       'tag_title'  Nucleus
                                             'bpm'  127.8
                                    'search_title'  'nucleus':1
                                   'search_artist'  'alan':1 'parsons':2 'project':3
                                  'search_release'  'i':1 'robot':2
                                     'search_rest'  '1977':21,22 '256k':15,16 '7':19,20 'and':3 'came':5 'early':25 'electronic':23 'experimental':24 'global':1 'med':12,13 'part2':11 's':2,9 'synths':7 'tfva':8 'tfvas':10 'the':6 'then':4 'vbr':17,18 'volume':14
                                    'search_combo'  '1977':27,28 '256k':21,22 '7':25,26 'alan':2B 'and':9 'came':11 'early':31 'electronic':29 'experimental':30 'global':7 'i':5C 'med':18,19 'nucleus':1A 'parsons':3B 'part2':17 'project':4B 'robot':6C 's':8,15 'synths':13 'tfva':14 'tfvas':16 'the':12 'then':10 'vbr':23,24 'volume':20
                                    'tag_tracknum'  7
                                      'num_images'  1
                                             'key'  12B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-3', 'q-chart-2', 'q-other-4', 'Q-HAP-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['progressive rock', 'classic rock', 'rock', '80s', 'symphonic rock']
                                        'tag_date'  1977
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1637328969.1559289  (2021-11-19 14:36:09)
                             'size'  7294306