======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '231'
                                          'artist'  'Jefferson Airplane'
                                     'text_people'  'Grace Slick'
                                         'release'  'The Best Of Jefferson Airplane'
                                           'title'  'Aerie (Gang of Eagles)'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-4', 'q-drums-2', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['rock', 'psychedelic rock', 'psychedelic', '60s', 'classic rock']"
                                     'discogstags'  "['rock', 'psychedelic rock', 'classic rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '9'
                                      'tracktotal'  '21'
                                            'date'  '1965'
                                        'comments'  ''
                                           'genre'  'rock-cppex;rock-cppex-psychedelic'
                                             'bpm'  '101.259'
                                             'key'  '5A'
                                        'acoustid'  '79735ff4-c8f7-4ad2-8d89-b89e29496ee5'
rest: ''

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

'MCDI' (Music CD identifier)                        MCDI(data=b'1\x005\x00+\x00B\x006\x00+\x002\x002\x00F\x001\x00+\x005\x000\x006\x004\x00+\x007\x00F\x007\x001\x00+\x00A\x00C\x005\x000\x00+\x00E\x001\x002\x00F\x00+\x001\x000\x007\x00E\x008\x00+\x001\x003\x005\x001\x00A\x00+\x001\x006\x003\x00E\x008\x00+\x001\x00A\x007\x00D\x00E\x00+\x001\x00F\x009\x005\x000\x00+\x002\x002\x00D\x000\x008\x00+\x002\x006\x001\x005\x001\x00+\x002\x009\x000\x00E\x007\x00+\x002\x00C\x00C\x00E\x000\x00+\x002\x00F\x003\x001\x004\x00+\x003\x003\x008\x004\x002\x00+\x003\x008\x00F\x00A\x004\x00+\x003\x00F\x006\x007\x009\x00+\x004\x006\x007\x006\x00E\x00+\x004\x00A\x005\x007\x009\x00+\x004\x00E\x00F\x003\x004\x00\x00\x00')
'PRIV:AverageLevel:{\x11\x00\x00'                   PRIV(owner='AverageLevel', data=b'{\x11\x00\x00')
'PRIV:PeakValue:¡\x7f\x00\x00'                      PRIV(owner='PeakValue', data=b'\xa1\x7f\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:A\x00k\x00i\x00M\x00u\x00s\x00i\x00c\x00a\x00\x00\x00'  PRIV(owner='WM/Provider', data=b'A\x00k\x00i\x00M\x00u\x00s\x00i\x00c\x00a\x00\x00\x00')
'PRIV:WM/UniqueFileIdentifier:;\x00\x00\x00'        PRIV(owner='WM/UniqueFileIdentifier', data=b';\x00\x00\x00')
'PRIV:WM/WMCollectionGroupID:/`õop7\x0eI\x9b_ÍVfÇ&À'  PRIV(owner='WM/WMCollectionGroupID', data=b'/`\xf5op7\x0eI\x9b_\xcdVf\xc7&\xc0')
'PRIV:WM/WMCollectionID:/`õop7\x0eI\x9b_ÍVfÇ&À'     PRIV(owner='WM/WMCollectionID', data=b'/`\xf5op7\x0eI\x9b_\xcdVf\xc7&\xc0')
'PRIV:WM/WMContentID:ý\x06þ6\x91\x03?G\x98\x8c\x93\x90Ý\x19\x8bG'  PRIV(owner='WM/WMContentID', data=b'\xfd\x06\xfe6\x91\x03?G\x98\x8c\x93\x90\xdd\x19\x8bG')
'TALB' (Album/Movie/Show title)                     'The Best Of Jefferson Airplane'
'TBPM' (BPM (beats per minute))                     '101.259'
'TCOM' (Composer)                                   'Grace Slick'
'TCON' (Content type, a.k.a. Genre)                 ['rock-cppex', 'rock-cppex', 'rock-cppex-psychedelic']
'TDOR' (Original release time)                      '2001'
'TDRC' (Recording time)                             '1965'
'TIT2' (Title/songname/content description)         'Aerie (Gang of Eagles)'
'TKEY' (Initial key)                                '5A'
'TLEN' (Length)                                     '231973'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Jefferson Airplane'
'TPE2' (Band/orchestra/accompaniment)               'Jefferson Airplane'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Bmg'
'TRCK' (Track number/Position in set)               '9/21'
'TSO2'                                              'Jefferson Airplane'
'TSOP' (Performer sort order)                       'Jefferson Airplane'
'TXXX:Acoustid Id'                                  '79735ff4-c8f7-4ad2-8d89-b89e29496ee5'
'TXXX:BARCODE'                                      '743218410222'
'TXXX:MusicBrainz Album Artist Id'                  '39c2a93d-9afa-4a22-9bba-c087ab056e1c'
'TXXX:MusicBrainz Album Id'                         '60e4862d-a678-499c-96ce-7b84c73f9d42'
'TXXX:MusicBrainz Album Release Country'            'XE'
'TXXX:MusicBrainz Album Type'                       'compilation'
'TXXX:MusicBrainz Artist Id'                        '39c2a93d-9afa-4a22-9bba-c087ab056e1c'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['rock', 'psychedelic rock', 'classic rock']
'TXXX:lastfmtags'                                   ['rock', 'psychedelic rock', 'psychedelic', '60s', 'classic rock']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.52 dB'
'TXXX:replaygain_track_peak'                        '0.500610'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'da52588c-758a-4a47-8967-8997c7211857')

========================== row from database ==========================
                                              'id'  1415006
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/1996 - jefferson airplane journey...the best of/09 - Aerie (Gang of eagles).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  231
                                           'genre'  rock-cppex;rock-cppex-psychedelic
                                        'filesize'  5562862
                                           'mtime'  1636915270
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy 1996 jefferson airplane journey...the best 09 eagles) rock cppex;rock cppex psychedelic
                                      'tag_artist'  Jefferson Airplane
                                     'tag_release'  The Best Of Jefferson Airplane
                                       'tag_title'  Aerie (Gang of Eagles)
                                             'bpm'  101.259
                                    'search_title'  'aerie':1 'eagles':5,6 'gang':2,3 'of':4
                                   'search_artist'  'airplane':2 'jefferson':1
                                  'search_release'  'airplane':5 'best':2 'jefferson':4 'of':3 'the':1
                                     'search_rest'  '1996':2 'airplane':4 'best':8 'classicprogpsy':1 'cppex':12,14,16 'eagles':9,10 'jefferson':3 'journey':5 'journeythe':7 'psychedelic':17 'rock':11,13,15 'the':6
                                    'search_combo'  '1996':15 'aerie':1A 'airplane':8B,13C,17 'best':10C,21 'classicprogpsy':14 'cppex':25,27,29 'eagles':5A,6A,22,23 'gang':2A,3A 'jefferson':7B,12C,16 'journey':18 'journeythe':20 'of':4A,11C 'psychedelic':30 'rock':24,26,28 'the':9C,19
                                    'tag_tracknum'  9
                                      'num_images'  0
                                             'key'  5A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-2', 'q-chart-4', 'q-other-3', 'Q-HAP-3', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['rock', 'psychedelic rock', 'psychedelic', '60s', 'classic rock']
                                        'tag_date'  1965
                                     'discogstags'  ['rock', 'psychedelic rock', 'classic rock']

============================== file details ==============================
                                           'mtime'  1636915270.0056381  (2021-11-14 19:41:10)
                             'size'  5562862