======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '595'
                                          'artist'  'Samsara Blues Experiment'
                                     'text_people'  ''
                                         'release'  'Long Distance Trip'
                                           'title'  'For the Lost Souls'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-OLDST-2', "
 "'Q-LOCALNESS-1', 'Q-SYN-2', 'Q-BUSY-3', 'Q-GRIT-3', 'Q-PLAY-3', 'q-bass-3', "
 "'Q-CHART-2', 'q-drums-3', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'Q-MIXBEAT-2']")
                                      'lastfmtags'  "['psychedelic rock', 'stoner rock', 'space rock', 'psychedelic', 'stoner']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  '6'
                                            'date'  '2010'
                                        'comments'  ''
                                           'genre'  'rock-cppex-psychedelic'
                                             'bpm'  '143.6'
                                             'key'  '5A'
                                        'acoustid'  'fcf9f5c4-9e79-44a4-b490-76ae4f7a3459'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'MCDI' (Music CD identifier)                        MCDI(data=b'6\x00+\x009\x006\x00+\x00C\x00C\x008\x00D\x00+\x001\x001\x00D\x003\x004\x00+\x001\x00C\x00B\x00F\x006\x00+\x002\x00B\x002\x00E\x000\x00+\x003\x000\x001\x005\x000\x00+\x004\x009\x001\x002\x003\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/UniqueFileIdentifier:;\x00\x00\x00'        PRIV(owner='WM/UniqueFileIdentifier', data=b';\x00\x00\x00')
'TALB' (Album/Movie/Show title)                     'Long Distance Trip'
'TBPM' (BPM (beats per minute))                     '143.6'
'TCON' (Content type, a.k.a. Genre)                 'rock-cppex-psychedelic'
'TDOR' (Original release time)                      '2010'
'TDRC' (Recording time)                             '2010-03-19'
'TIT2' (Title/songname/content description)         'For the Lost Souls'
'TKEY' (Initial key)                                '5A'
'TLEN' (Length)                                     '596506'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Samsara Blues Experiment'
'TPE2' (Band/orchestra/accompaniment)               'Samsara Blues Experiment'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'World in Sound'
'TRCK' (Track number/Position in set)               '3/6'
'TSO2'                                              'Samsara Blues Experiment'
'TSOP' (Performer sort order)                       'Samsara Blues Experiment'
'TXXX:ASIN'                                         'B003CM8VN6'
'TXXX:Acoustid Id'                                  'fcf9f5c4-9e79-44a4-b490-76ae4f7a3459'
'TXXX:Artists'                                      'Samsara Blues Experiment'
'TXXX:BARCODE'                                      '4040824030100'
'TXXX:CATALOGNUMBER'                                'WIS-3010'
'TXXX:MusicBrainz Album Artist Id'                  'a18c09f4-6b6f-4f9c-a4bb-ae2db7cab657'
'TXXX:MusicBrainz Album Id'                         '40c63a1b-ca6b-41b3-b329-27c62a7fa944'
'TXXX:MusicBrainz Album Release Country'            'DE'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        'a18c09f4-6b6f-4f9c-a4bb-ae2db7cab657'
'TXXX:MusicBrainz Release Group Id'                 '2f5f7897-ab26-4ff0-bffb-c37f47c5d82d'
'TXXX:MusicBrainz Release Track Id'                 '4811844f-b608-36e4-954b-cb3cf7229726'
'TXXX:Q-BUSY'                                       '3'
'TXXX:Q-CHART'                                      '2'
'TXXX:Q-GRIT'                                       '3'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-MIXBEAT'                                    '2'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-PLAY'                                       '3'
'TXXX:Q-SYN'                                        '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['psychedelic rock', 'stoner rock', 'space rock', 'psychedelic', 'stoner']
'TXXX:originalyear'                                 '2010'
'TXXX:q-bass'                                       '3'
'TXXX:q-drums'                                      '3'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.39 dB'
'TXXX:replaygain_track_peak'                        '0.523282'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'24a4f129-8bce-41b4-a941-20c3b0ba60e0')

========================== row from database ==========================
                                              'id'  1485836
                                            'path'  /data/Music/Bulk/00poprockelectronic/Long Distance Trip (2010)/03 For The Lost Souls.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  595
                                           'genre'  rock-cppex-psychedelic
                                        'filesize'  23925476
                                           'mtime'  1620737426
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic (2010) 03 The rock cppex psychedelic
                                      'tag_artist'  Samsara Blues Experiment
                                     'tag_release'  Long Distance Trip
                                       'tag_title'  For the Lost Souls
                                             'bpm'  143.6
                                    'search_title'  'for':1 'lost':3 'souls':4 'the':2
                                   'search_artist'  'blues':2 'experiment':3 'samsara':1
                                  'search_release'  'distance':2 'long':1 'trip':3
                                     'search_rest'  '00poprockelectronic':1 '2010':2,3 'cppex':6 'psychedelic':7 'rock':5 'the':4
                                    'search_combo'  '00poprockelectronic':11 '2010':12,13 'blues':6B 'cppex':16 'distance':9C 'experiment':7B 'for':1A 'long':8C 'lost':3A 'psychedelic':17 'rock':15 'samsara':5B 'souls':4A 'the':2A,14 'trip':10C
                                    'tag_tracknum'  3
                                      'num_images'  1
                                             'key'  5A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'Q-MIXBEAT-2', 'Q-OLDST-2', 'Q-GRIT-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-CHART-2', 'q-drums-3', 'Q-SYN-2', 'q-other-4', 'Q-BUSY-3', 'Q-HAP-3', 'Q-PLAY-3', 'q-bass-3']
                                      'lastfmtags'  ['psychedelic rock', 'stoner rock', 'space rock', 'psychedelic', 'stoner']
                                        'tag_date'  2010
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1620737425.753858  (2021-05-11 14:50:25)
                             'size'  23925476