======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '249'
                                          'artist'  'Turbonegro'
                                     'text_people'  ''
                                         'release'  'Retox'
                                           'title'  'Back in Denim'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-2', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-3', 'q-play-2', "
 "'q-chart-3', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['death punk', 'norwegian', 'punk rock', 'punk', 'rock']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '13'
                                      'tracktotal'  '14'
                                            'date'  '2007'
                                        'comments'  ''
                                           'genre'  'rock-gr-punk'
                                             'bpm'  '88.943'
                                             'key'  '12B'
                                        'acoustid'  '53bf515b-a0da-4521-a918-bce0c6e2bb93'
rest: ''

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

'MCDI' (Music CD identifier)                        MCDI(data=b'E\x00+\x009\x006\x00+\x004\x001\x008\x003\x00+\x006\x004\x004\x006\x00+\x00A\x000\x00E\x00F\x00+\x00D\x00B\x007\x002\x00+\x001\x001\x004\x002\x006\x00+\x001\x005\x006\x007\x008\x00+\x001\x009\x006\x002\x006\x00+\x001\x00C\x004\x00C\x001\x00+\x001\x00F\x00D\x00E\x002\x00+\x002\x003\x00B\x004\x00F\x00+\x002\x007\x00E\x004\x006\x00+\x003\x000\x008\x00D\x00C\x00+\x003\x005\x002\x001\x00E\x00+\x003\x008\x008\x004\x00B\x00\x00\x00')
'PRIV:AverageLevel:{+\x00\x00'                      PRIV(owner='AverageLevel', data=b'{+\x00\x00')
'PRIV:PeakValue:¡{\x00\x00'                         PRIV(owner='PeakValue', data=b'\xa1{\x00\x00')
'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:U\x00s\x00e\x00r\x00 \x00F\x00e\x00e\x00d\x00b\x00a\x00c\x00k\x00\x00\x00'  PRIV(owner='WM/Provider', data=b'U\x00s\x00e\x00r\x00 \x00F\x00e\x00e\x00d\x00b\x00a\x00c\x00k\x00\x00\x00')
'PRIV:WM/UniqueFileIdentifier:;\x00\x00\x00'        PRIV(owner='WM/UniqueFileIdentifier', data=b';\x00\x00\x00')
'PRIV:WM/WMCollectionGroupID:\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00'  PRIV(owner='WM/WMCollectionGroupID', data=b'\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00')
'PRIV:WM/WMCollectionID:\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00'  PRIV(owner='WM/WMCollectionID', data=b'\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00')
'PRIV:WM/WMContentID:\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00'  PRIV(owner='WM/WMContentID', data=b'\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00')
'TALB' (Album/Movie/Show title)                     'Retox'
'TBPM' (BPM (beats per minute))                     '88.943'
'TCON' (Content type, a.k.a. Genre)                 'rock-gr-punk'
'TDOR' (Original release time)                      '2007'
'TDRC' (Recording time)                             '2007-06-11'
'TIT2' (Title/songname/content description)         'Back in Denim'
'TKEY' (Initial key)                                '12B'
'TLEN' (Length)                                     '250053'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Turbonegro'
'TPE2' (Band/orchestra/accompaniment)               'Turbonegro'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Scandinavian Leather Recordings'
'TRCK' (Track number/Position in set)               '13/14'
'TSO2'                                              'Turbonegro'
'TSOP' (Performer sort order)                       'Turbonegro'
'TSRC' (ISRC (international standard recording code))  'NOTBN0701150'
'TXXX:Acoustid Id'                                  '53bf515b-a0da-4521-a918-bce0c6e2bb93'
'TXXX:BARCODE'                                      '7044176540024'
'TXXX:CATALOGNUMBER'                                'SLCDX001'
'TXXX:MusicBrainz Album Artist Id'                  '6ee1ab2b-885c-4c91-b9a5-46b3f6769812'
'TXXX:MusicBrainz Album Id'                         '205be971-c45f-3257-98da-8c4022639f55'
'TXXX:MusicBrainz Album Release Country'            'NO'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '6ee1ab2b-885c-4c91-b9a5-46b3f6769812'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['death punk', 'norwegian', 'punk rock', 'punk', 'rock']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '3'
'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'                        '-0.96 dB'
'TXXX:replaygain_track_peak'                        '0.312315'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'87504776-6540-4343-9b43-dd9892fadec4')

========================== row from database ==========================
                                              'id'  1421715
                                            'path'  /data/Music/Bulk/00popandrock-punk-garage-surf-stoner/Turbonegro - Retox/13 Back in denim.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  249
                                           'genre'  rock-gr-punk
                                        'filesize'  9997520
                                           'mtime'  1622659227
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock punk garage surf stoner 13 denim rock punk
                                      'tag_artist'  Turbonegro
                                     'tag_release'  Retox
                                       'tag_title'  Back in Denim
                                             'bpm'  88.943
                                    'search_title'  'back':1 'denim':3 'in':2
                                   'search_artist'  'turbonegro':1
                                  'search_release'  'retox':1
                                     'search_rest'  'denim':5 'garage':2 'punk':1 'rock':6 'stoner':4 'surf':3
                                    'search_combo'  'back':1A 'denim':3A,10 'garage':7 'in':2A 'punk':6 'retox':5C 'rock':11 'stoner':9 'surf':8 'turbonegro':4B
                                    'tag_tracknum'  13
                                      'num_images'  0
                                             'key'  12B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-3', 'q-other-3', 'Q-HAP-3', 'q-bass-3', 'q-grit-3']
                                      'lastfmtags'  ['death punk', 'norwegian', 'punk rock', 'punk', 'rock']
                                        'tag_date'  2007
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1622659227.3366282  (2021-06-02 20:40:27)
                             'size'  9997520