======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '65'
                                          'artist'  'Anonymous (Sociiti Anonyme)'
                                     'text_people'  ''
                                         'release'  'old blues pour mix'
                                           'title'  'Untitled'
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-2', 'Q-UNU-1', 'Q-JZFKS-2', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-1', 'q-busy-2', 'q-grit-1', 'q-play-3', "
 "'q-chart-2', 'q-drums-1', 'q-other-1', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  '25'
                                            'date'  '2011'
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-unsorted'
                                             'bpm'  '144.130'
                                             'key'  '2A'
                                        'acoustid'  ''
rest: ''

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

'COMM:ID3v1 Comment:XXX'                            '0'
'COMM:iTunNORM:eng'                                 (' 00000CBB 00000CBB 00006E20 00006E20 00003E8D 00003E8D 00007EC8 00007EC8 '
 '00007487 00007487')
'COMM:iTunPGAP:eng'                                 '0'
'COMM:iTunSMPB:eng'                                 (' 00000000 00000210 000007EC 00000000002C2B84 00000000 0027F8A8 00000000 '
 '00000000 00000000 00000000 00000000 00000000')
'COMM:iTunes_CDDB_1:eng'                            '5F0E3619+273070+25+150+5526+16677+21600+35146+49744+62755+67920+81673+95503+105344+119813+133034+138423+150583+164135+179368+192331+198757+208650+219713+233293+237093+251302+258149'
'COMM:iTunes_CDDB_TrackNumber:eng'                  '3'
'TALB' (Album/Movie/Show title)                     'old blues pour mix'
'TBPM' (BPM (beats per minute))                     '144.130'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-jazz-unsorted'
'TDRC' (Recording time)                             '2011'
'TENC' (Encoded by)                                 'iTunes 10.3.1'
'TIT2' (Title/songname/content description)         'Untitled'
'TKEY' (Initial key)                                '2A'
'TPE1' (Lead performer(s)/Soloist(s))               'Anonymous (Sociiti Anonyme)'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPOS' (Part of a set)                              '1/2'
'TRCK' (Track number/Position in set)               '3/25'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+2.36 dB'
'TXXX:replaygain_track_peak'                        '0.294676'

========================== row from database ==========================
                                              'id'  672584
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/old blues pour mix/1-03 Untitled.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  65
                                           'genre'  prerock-jb-jazz-unsorted
                                        'filesize'  2630216
                                           'mtime'  1620537884
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 1 03 prerock jb jazz unsorted
                                      'tag_artist'  Anonymous (Sociiti Anonyme)
                                     'tag_release'  old blues pour mix
                                       'tag_title'  Untitled
                                             'bpm'  144.13
                                    'search_title'  'untitled':1
                                   'search_artist'  'anonyme':4,5 'anonymous':1 'sociiti':2,3
                                  'search_release'  'blues':2 'mix':4 'old':1 'pour':3
                                     'search_rest'  '1':5 'country':4 'exotica':2 'jazz':1 'jb':7 'oldies':3 'prerock':6 'unsorted':8
                                    'search_combo'  '1':15 'anonyme':5B,6B 'anonymous':2B 'blues':8C 'country':14 'exotica':12 'jazz':11 'jb':17 'mix':10C 'old':7C 'oldies':13 'pour':9C 'prerock':16 'sociiti':3B,4B 'unsorted':18 'untitled':1A
                                    'tag_tracknum'  3
                                      'num_images'  0
                                             'key'  2A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-2', 'q-drums-1', 'q-syn-1', 'q-chart-2', 'q-other-1', 'Q-HAP-3', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  []
                                        'tag_date'  2011
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620537884.4668972  (2021-05-09 07:24:44)
                             'size'  2630216