======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '262'
                                          'artist'  'Halestorm'
                                     'text_people'  ''
                                         'release'  'Breaking the Silence'
                                           'title'  'Rose in December'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-2', 'Q-HHRNBTT-1', 'Q-JZFKS-1', 'Q-OLDST-3', "
 "'Q-LOCALNESS-1', 'q-syn-2', 'Q-PLAY-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', "
 "'Q-PIANO-4', 'q-chart-3', 'q-drums-1', 'q-other-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  ("['alternative rock', 'alternative metal', 'female vocalists', 'rock', 'hard "
 "rock']")
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  '7'
                                            'date'  '2001'
                                        'comments'  ''
                                           'genre'  'rock-gr-hard'
                                             'bpm'  '137'
                                             'key'  '4B'
                                        'acoustid'  '2df7de04-fc7e-40d7-b5f0-2b02f02cb2c6'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'MCDI' (Music CD identifier)                        MCDI(data=b'7\x00+\x009\x006\x00+\x007\x00E\x003\x008\x00+\x00E\x000\x002\x008\x00+\x001\x006\x004\x00C\x001\x00+\x001\x00B\x001\x00A\x009\x00+\x002\x002\x007\x004\x004\x00+\x002\x008\x00D\x005\x003\x00+\x002\x00F\x002\x009\x00C\x00\x00\x00')
'PRIV:AverageLevel:\x9d\x19\x00\x00'                PRIV(owner='AverageLevel', data=b'\x9d\x19\x00\x00')
'PRIV:PeakValue:Øx\x00\x00'                         PRIV(owner='PeakValue', data=b'\xd8x\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:7Xt"\x7fë\'M\x82¨@|\x83ã\x84z'  PRIV(owner='WM/WMCollectionGroupID', data=b'7Xt"\x7f\xeb\'M\x82\xa8@|\x83\xe3\x84z')
'PRIV:WM/WMCollectionID:7Xt"\x7fë\'M\x82¨@|\x83ã\x84z'  PRIV(owner='WM/WMCollectionID', data=b'7Xt"\x7f\xeb\'M\x82\xa8@|\x83\xe3\x84z')
'PRIV:WM/WMContentID:ù/çû\x9a\x95HJ\x92ú£Pw5yÂ'     PRIV(owner='WM/WMContentID', data=b'\xf9/\xe7\xfb\x9a\x95HJ\x92\xfa\xa3Pw5y\xc2')
'TALB' (Album/Movie/Show title)                     'Breaking the Silence'
'TBPM' (BPM (beats per minute))                     '137'
'TCON' (Content type, a.k.a. Genre)                 'rock-gr-hard'
'TDOR' (Original release time)                      '2001'
'TDRC' (Recording time)                             '2001'
'TIT2' (Title/songname/content description)         'Rose in December'
'TKEY' (Initial key)                                '4B'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Halestorm'
'TPE2' (Band/orchestra/accompaniment)               'Halestorm'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '4/7'
'TSO2'                                              'Halestorm'
'TSOP' (Performer sort order)                       'Halestorm'
'TXXX:Acoustid Id'                                  '2df7de04-fc7e-40d7-b5f0-2b02f02cb2c6'
'TXXX:Artists'                                      'Halestorm'
'TXXX:MusicBrainz Album Artist Id'                  'eaed2193-e026-493b-ac57-113360407b06'
'TXXX:MusicBrainz Album Id'                         '8f34b1ea-1a59-4462-b309-caa140bd1e61'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'ep'
'TXXX:MusicBrainz Artist Id'                        'eaed2193-e026-493b-ac57-113360407b06'
'TXXX:MusicBrainz Release Group Id'                 '019e041e-5497-485e-8509-decdaf22e067'
'TXXX:MusicBrainz Release Track Id'                 '5ff57360-03d0-44dc-a289-0b6662b24bef'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-PIANO'                                      '4'
'TXXX:Q-PLAY'                                       '2'
'TXXX:Q-UNU'                                        '2'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['alternative rock',
 'alternative metal',
 'female vocalists',
 'rock',
 'hard rock']
'TXXX:originalyear'                                 '2001'
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '1'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.22 dB'
'TXXX:replaygain_track_peak'                        '0.399439'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'030d56ec-dc2e-44da-b171-49bc5536375d')

========================== row from database ==========================
                                              'id'  1420593
                                            'path'  /data/Music/Bulk/00dwimp/halestorm - (2001) breaking the silence/04 - rose in december.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  262
                                           'genre'  rock-gr-hard
                                        'filesize'  10515048
                                           'mtime'  1622658918
                                   'redo_metaread'  0
                                        'rest_str'   00dwimp halestorm (2001) breaking silence 04 rose december rock gr hard
                                      'tag_artist'  Halestorm
                                     'tag_release'  Breaking the Silence
                                       'tag_title'  Rose in December
                                             'bpm'  137.0
                                    'search_title'  'december':3 'in':2 'rose':1
                                   'search_artist'  'halestorm':1
                                  'search_release'  'breaking':1 'silence':3 'the':2
                                     'search_rest'  '00dwimp':1 '2001':3,4 'breaking':5 'december':8 'gr':10 'halestorm':2 'hard':11 'rock':9 'rose':7 'silence':6
                                    'search_combo'  '00dwimp':8 '2001':10,11 'breaking':5C,12 'december':3A,15 'gr':17 'halestorm':4B,9 'hard':18 'in':2A 'rock':16 'rose':1A,14 'silence':7C,13 'the':6C
                                    'tag_tracknum'  4
                                      'num_images'  1
                                             'key'  4B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-mixbeat-2', 'Q-PIANO-4', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-3', 'q-other-1', 'Q-HAP-3', 'Q-PLAY-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['alternative rock', 'alternative metal', 'female vocalists', 'rock', 'hard rock']
                                        'tag_date'  2001
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1622658917.9273798  (2021-06-02 20:35:17)
                             'size'  10515048