======================== unified (from filesystem) ========================
                                         'bitrate'  '246.376'
                                        'duration'  '339'
                                          'artist'  'KMFDM'
                                     'text_people'  ''
                                         'release'  'Black Box: WaxTrax! Records: The First 13 Years'
                                           'title'  'Virus (12" version)'
                                           'quals'  ("['Q-UNU-2', 'Q-JZFKS-1', 'Q-HAP-1', 'Q-LOCALNESS-2', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'Q-SYN-3', 'Q-BUSY-3', 'Q-GRIT-3', 'Q-PLAY-3', 'q-bass-2', "
 "'Q-CHART-2', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'Q-MIXBEAT-3']")
                                      'lastfmtags'  "['industrial', 'industrial rock', 'industrial metal', 'electronic', 'german']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '6'
                                      'tracktotal'  '14'
                                            'date'  '1994'
                                        'comments'  ''
                                           'genre'  'eid-ebm or industrial or darkwave'
                                             'bpm'  '121.2'
                                             'key'  '4A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Black Box: WaxTrax! Records: The First 13 Years'
'TBPM' (BPM (beats per minute))                     '121.2'
'TCMP'                                              '1'
'TCON' (Content type, a.k.a. Genre)                 'eid-ebm or industrial or darkwave'
'TDOR' (Original release time)                      '1994'
'TDRC' (Recording time)                             '1994'
'TIT2' (Title/songname/content description)         'Virus (12" version)'
'TKEY' (Initial key)                                '4A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'KMFDM'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPOS' (Part of a set)                              '2/3'
'TPUB' (Publisher)                                  'TVT Records/Wax Trax! Records'
'TRCK' (Track number/Position in set)               '6/14'
'TSO2'                                              'Various Artists'
'TSOP' (Performer sort order)                       'KMFDM'
'TSSE' (Software/Hardware and settings used for encoding)  'LAME v3.97'
'TXXX:ASIN'                                         'B000003RGU'
'TXXX:Artists'                                      'KMFDM'
'TXXX:BARCODE'                                      '016581722729'
'TXXX:CATALOGNUMBER'                                'TVT 7212-2'
'TXXX:MusicBrainz Album Artist Id'                  '89ad4ac3-39f7-470e-963a-56509c546377'
'TXXX:MusicBrainz Album Id'                         'f40133d1-e9c5-4343-8ec0-710f310de645'
'TXXX:MusicBrainz Album Release Country'            'US'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album/compilation'
'TXXX:MusicBrainz Artist Id'                        '45074d7c-5307-44a8-854f-ae072e1622ae'
'TXXX:MusicBrainz Release Group Id'                 '596b139b-3936-30d6-be00-2650cd71a5e2'
'TXXX:MusicBrainz Release Track Id'                 '3aecb653-e91f-499d-a706-19279a6a40ac'
'TXXX:Q-BUSY'                                       '3'
'TXXX:Q-CHART'                                      '2'
'TXXX:Q-GRIT'                                       '3'
'TXXX:Q-HAP'                                        '1'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-MIXBEAT'                                    '3'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-PLAY'                                       '3'
'TXXX:Q-SYN'                                        '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:lastfmtags'                                   ['industrial', 'industrial rock', 'industrial metal', 'electronic', 'german']
'TXXX:originalyear'                                 '1994'
'TXXX:q-bass'                                       '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.56 dB'
'TXXX:replaygain_track_peak'                        '0.603268'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'a62925d4-836f-4c23-be47-7a58221ee579')

========================== row from database ==========================
                                              'id'  1499688
                                            'path'  /data/Music/Bulk/00dwimp/va - black box - waxtrax records - the first 13 years   [stahlfabrik]/206 - kmfdm - the virus [12_ version].mp3
                                         'working'  None
                                         'bitrate'  246
                                    'duration_sec'  339
                                           'genre'  eid-ebm or industrial or darkwave
                                        'filesize'  10478845
                                           'mtime'  1620296900
                                   'redo_metaread'  0
                                        'rest_str'   00dwimp va black box waxtrax records the first years [stahlfabrik] 206 kmfdm the virus [12_ version] eid ebm industrial darkwave
                                      'tag_artist'  KMFDM
                                     'tag_release'  Black Box: WaxTrax! Records: The First 13 Years
                                       'tag_title'  Virus (12" version)
                                             'bpm'  121.2
                                    'search_title'  '12':2,3 'version':4,5 'virus':1
                                   'search_artist'  'kmfdm':1
                                  'search_release'  'black':1 'box':2,3 'first':8 'records':5,6 'the':7 'trax':11 'wax':10 'waxtrax':4 'years':9
                                     'search_rest'  '00dwimp':1 '12':15,16 '206':12 'black':3 'box':4 'darkwave':22 'ebm':20 'eid':19 'first':8 'industrial':21 'kmfdm':13 'records':6 'stahlfabrik':10,11 'the':7 'va':2 'version':17,18 'virus':14 'waxtrax':5 'years':9
                                    'search_combo'  '00dwimp':18 '12':2A,3A,32,33 '206':29 'black':7C,20 'box':8C,9C,21 'darkwave':39 'ebm':37 'eid':36 'first':14C,25 'industrial':38 'kmfdm':6B,30 'records':11C,12C,23 'stahlfabrik':27,28 'the':13C,24 'trax':17C 'va':19 'version':4A,5A,34,35 'virus':1A,31 'wax':16C 'waxtrax':10C,22 'years':15C,26
                                    'tag_tracknum'  6
                                      'num_images'  1
                                             'key'  4A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-2', 'q-piano-1', 'Q-MIXBEAT-3', 'Q-OLDST-3', 'Q-GRIT-3', 'Q-UNU-2', 'Q-JZFKS-1', 'Q-CHART-2', 'q-drums-4', 'Q-SYN-3', 'q-other-3', 'Q-BUSY-3', 'Q-HAP-1', 'Q-PLAY-3', 'q-bass-2']
                                      'lastfmtags'  ['industrial', 'industrial rock', 'industrial metal', 'electronic', 'german']
                                        'tag_date'  1994
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620296900.0385609  (2021-05-06 12:28:20)
                             'size'  10478845