======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '147'
                                          'artist'  'Batmobile'
                                     'text_people'  'Eric Haamers/Jeroen Haamers/Johnny Zuidhof'
                                         'release'  'Batmobile'
                                           'title'  'Bat Attack'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-OLDST-3', 'Q-HHRNBTT-1', "
 "'Q-LOCALNESS-1', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['rock and roll', 'psychobilly', 'punk', 'rockabilly', 'rock']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  '7'
                                            'date'  '1985'
                                        'comments'  ''
                                           'genre'  'rock-rockabilly or psychobilly'
                                             'bpm'  '116'
                                             'key'  '7A'
                                        'acoustid'  '14eff0cb-c1d4-480a-8352-9cd720f16a60'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'PRIV:WM/MediaClassPrimaryID:¼}`Ñ#ãâK\x86¡H¤*(D\x1e'  PRIV(owner='WM/MediaClassPrimaryID', data=b'\xbc}`\xd1#\xe3\xe2K\x86\xa1H\xa4*(D\x1e')
'PRIV:WM/MediaClassSecondaryID:\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00'  PRIV(owner='WM/MediaClassSecondaryID', data=b'\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00')
'PRIV:WM/Provider:A\x00M\x00G\x00\x00\x00'          PRIV(owner='WM/Provider', data=b'A\x00M\x00G\x00\x00\x00')
'PRIV:WM/UniqueFileIdentifier:A\x00M\x00G\x00a\x00_\x00i\x00d\x00=\x00R\x00 \x00 \x00 \x006\x003\x002\x007\x004\x006\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x004\x006\x007\x005\x006\x003\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x006\x009\x002\x006\x006\x007\x008\x00\x00\x00'  PRIV(owner='WM/UniqueFileIdentifier', data=b'A\x00M\x00G\x00a\x00_\x00i\x00d\x00=\x00R\x00 \x00 \x00 \x006\x003\x002\x007\x004\x006\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x004\x006\x007\x005\x006\x003\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x006\x009\x002\x006\x006\x007\x008\x00\x00\x00')
'PRIV:WM/WMCollectionGroupID:\x94Ú\x06ì+Ø\x10M\x86ª3GÆÌyø'  PRIV(owner='WM/WMCollectionGroupID', data=b'\x94\xda\x06\xec+\xd8\x10M\x86\xaa3G\xc6\xccy\xf8')
'PRIV:WM/WMCollectionID:\x94Ú\x06ì+Ø\x10M\x86ª3GÆÌyø'  PRIV(owner='WM/WMCollectionID', data=b'\x94\xda\x06\xec+\xd8\x10M\x86\xaa3G\xc6\xccy\xf8')
'PRIV:WM/WMContentID:dev\x03\x12Ü\x06O¾\x04Å÷¿\x91ïD'  PRIV(owner='WM/WMContentID', data=b'dev\x03\x12\xdc\x06O\xbe\x04\xc5\xf7\xbf\x91\xefD')
'TALB' (Album/Movie/Show title)                     'Batmobile'
'TBPM' (BPM (beats per minute))                     '116'
'TCOM' (Composer)                                   'Eric Haamers/Jeroen Haamers/Johnny Zuidhof'
'TCON' (Content type, a.k.a. Genre)                 'rock-rockabilly or psychobilly'
'TDRC' (Recording time)                             '1985'
'TIPL' (Involved people list)                       TIPL(encoding=<Encoding.UTF16: 1>, people=[['', '']])
'TIT2' (Title/songname/content description)         'Bat Attack'
'TKEY' (Initial key)                                '7A'
'TPE1' (Lead performer(s)/Soloist(s))               'Batmobile'
'TPE2' (Band/orchestra/accompaniment)               'Batmobile'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Count Orlock'
'TRCK' (Track number/Position in set)               '4/7'
'TSO2'                                              'Batmobile'
'TSOP' (Performer sort order)                       'Batmobile'
'TXXX:Acoustid Id'                                  '14eff0cb-c1d4-480a-8352-9cd720f16a60'
'TXXX:Artists'                                      'Batmobile'
'TXXX:MusicBrainz Album Artist Id'                  'b7be7cdc-d77d-48a2-8d5f-f273e6545dd7'
'TXXX:MusicBrainz Album Id'                         'e1cdc6dc-36e7-4b71-ab09-ec6ef2d58c6d'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'ep'
'TXXX:MusicBrainz Artist Id'                        'b7be7cdc-d77d-48a2-8d5f-f273e6545dd7'
'TXXX:MusicBrainz Release Group Id'                 '9efbe7c6-3454-3ded-8349-cc94ca306f81'
'TXXX:MusicBrainz Release Track Id'                 'b19f6b7b-2e11-3bff-a4db-f4fbf70a9d96'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['rock and roll', 'psychobilly', 'punk', 'rockabilly', 'rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+1.28 dB'
'TXXX:replaygain_track_peak'                        '0.502455'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'f95e504d-0aa4-4bc6-8e98-b69d4bffa0b2')

========================== row from database ==========================
                                              'id'  1340973
                                            'path'  /data/Music/Bulk/00poprockelectronic/musica/Batmobile/1985 - batmobile/02 - Bat Attack.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  147
                                           'genre'  rock-rockabilly or psychobilly
                                        'filesize'  3045074
                                           'mtime'  1620526090
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic musica 1985 batmobile 02 rock rockabilly or psychobilly
                                      'tag_artist'  Batmobile
                                     'tag_release'  Batmobile
                                       'tag_title'  Bat Attack
                                             'bpm'  116.0
                                    'search_title'  'attack':2 'bat':1
                                   'search_artist'  'batmobile':1
                                  'search_release'  'batmobile':1
                                     'search_rest'  '00poprockelectronic':1 '1985':3 'batmobile':4 'musica':2 'or':7 'psychobilly':8 'rock':5 'rockabilly':6
                                    'search_combo'  '00poprockelectronic':5 '1985':7 'attack':2A 'bat':1A 'batmobile':3B,4C,8 'musica':6 'or':11 'psychobilly':12 'rock':9 'rockabilly':10
                                    'tag_tracknum'  4
                                      'num_images'  1
                                             '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-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['rock and roll', 'psychobilly', 'punk', 'rockabilly', 'rock']
                                        'tag_date'  1985
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1620526090.2398453  (2021-05-09 04:08:10)
                             'size'  3045074