======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '60'
                                          'artist'  'Cray'
                                     'text_people'  ''
                                         'release'  'invalidObject Series (comment)'
                                           'title'  '.'
                                           'quals'  ("['Q-JZFKS-1', 'Q-UNU-3', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-HAP-3', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['abstract', 'electronic', 'experimental', 'ambient']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '15'
                                      'tracktotal'  '15'
                                            'date'  '2000'
                                        'comments'  ''
                                           'genre'  'electronic-experimental'
                                             'bpm'  '133.9'
                                             'key'  '7A'
                                        'acoustid'  '3cc30213-d747-485a-a287-2d754228194b'
rest: ''

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

'COMM:SoundJam_CDDB_1:eng'                          'BA03A00F+930+15+150+4802+9454+14106+18758+23410+28062+32714+37366+42018+46670+51322+55974+60626+65278'
'COMM:SoundJam_CDDB_TrackNumber:eng'                '15'
'TALB' (Album/Movie/Show title)                     'invalidObject Series (comment)'
'TBPM' (BPM (beats per minute))                     '133.9'
'TCON' (Content type, a.k.a. Genre)                 'electronic-experimental'
'TDOR' (Original release time)                      '2000'
'TDRC' (Recording time)                             '2000'
'TENC' (Encoded by)                                 'SoundJam v2.5.2'
'TIT2' (Title/songname/content description)         '.'
'TKEY' (Initial key)                                '7A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Cray'
'TPE2' (Band/orchestra/accompaniment)               'Cray'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Fällt'
'TRCK' (Track number/Position in set)               '15/15'
'TSO2'                                              'Cray'
'TSOP' (Performer sort order)                       'Cray'
'TXXX:Acoustid Id'                                  '3cc30213-d747-485a-a287-2d754228194b'
'TXXX:CATALOGNUMBER'                                'F.0014.0003'
'TXXX:MusicBrainz Album Artist Id'                  '0a69c8a2-582c-4965-abea-7d45c6454c72'
'TXXX:MusicBrainz Album Id'                         '587947b3-2d3b-432b-91c3-c5b1e1606942'
'TXXX:MusicBrainz Album Release Country'            'IE'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'ep'
'TXXX:MusicBrainz Artist Id'                        '0a69c8a2-582c-4965-abea-7d45c6454c72'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '3'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['abstract', 'electronic', 'experimental', 'ambient']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+3.29 dB'
'TXXX:replaygain_track_peak'                        '0.664042'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'55b4813d-622c-4c85-b2bb-d6d38c945b2b')

========================== row from database ==========================
                                              'id'  1213321
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/invalidObject/0003 Cray/invalidObject Series (comment).txt/comment15.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  60
                                           'genre'  electronic-experimental
                                        'filesize'  1203521
                                           'mtime'  1620542728
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm 0003 (comment).txt comment15 electronic experimental
                                      'tag_artist'  Cray
                                     'tag_release'  invalidObject Series (comment)
                                       'tag_title'  .
                                             'bpm'  133.9
                                    'search_title'  
                                   'search_artist'  'cray':1
                                  'search_release'  'comment':3,4 'invalid':5 'invalidobject':1 'object':6 'series':2
                                     'search_rest'  'comment':1 'comment15':4 'commenttxt':3 'electronic':5 'experimental':6 'txt':2
                                    'search_combo'  'comment':4C,5C,8 'comment15':11 'commenttxt':10 'cray':1B 'electronic':12 'experimental':13 'invalid':6C 'invalidobject':2C 'object':7C 'series':3C 'txt':9
                                    'tag_tracknum'  15
                                      'num_images'  0
                                             'key'  7A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-3', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-1', 'q-other-2', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['abstract', 'electronic', 'experimental', 'ambient']
                                        'tag_date'  2000
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1620542727.6009972  (2021-05-09 08:45:27)
                             'size'  1203521