======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '245'
                                          'artist'  'Mario Nascimbene'
                                     'text_people'  'Mario Nascimbene'
                                         'release'  'Italian Cinema Lounge'
                                           'title'  'Carol on the Sea'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'q-syn-2', 'q-bass-4', 'q-busy-2', 'q-grit-1', "
 "'q-play-2', 'Q-JZFKS-3', 'Q-OLDST-1', 'q-chart-2', 'q-drums-1', 'q-other-4', "
 "'q-piano-1', 'q-vocals-1', 'Q-HHRNBTT-1', 'q-mixbeat-1', 'Q-LOCALNESS-2']")
                                      'lastfmtags'  "['soundtrack', 'funk', 'composer', 'italian', 'film music']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '7'
                                      'tracktotal'  '20'
                                            'date'  '1999'
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-lounge or exotica or bossa'
                                             'bpm'  '135'
                                             'key'  '6A'
                                        'acoustid'  '3f702733-af33-4f94-8f54-ee74e89adace'
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')
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'PRIV:WM/WMCollectionID:ð\t;~1Áà@¸M&Ë\x8d`åI'       PRIV(owner='WM/WMCollectionID', data=b'\xf0\t;~1\xc1\xe0@\xb8M&\xcb\x8d`\xe5I')
'PRIV:WM/WMContentID:Í\x1eLlXÂbH\x93ÞD\x06¢\x00\x11#'  PRIV(owner='WM/WMContentID', data=b'\xcd\x1eLlX\xc2bH\x93\xdeD\x06\xa2\x00\x11#')
'TALB' (Album/Movie/Show title)                     'Italian Cinema Lounge'
'TBPM' (BPM (beats per minute))                     '135'
'TCMP'                                              '1'
'TCOM' (Composer)                                   'Mario Nascimbene'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-jazz-lounge or exotica or bossa'
'TDOR' (Original release time)                      '1999'
'TDRC' (Recording time)                             '1999'
'TIT2' (Title/songname/content description)         'Carol on the Sea'
'TKEY' (Initial key)                                '6A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Mario Nascimbene'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Easy Tempo'
'TRCK' (Track number/Position in set)               '7/20'
'TSO2'                                              'Various Artists'
'TSOP' (Performer sort order)                       'Nascimbene, Mario'
'TXXX:ASIN'                                         'B00004TD1X'
'TXXX:Acoustid Id'                                  '3f702733-af33-4f94-8f54-ee74e89adace'
'TXXX:Artists'                                      'Mario Nascimbene'
'TXXX:BARCODE'                                      '8019991210321'
'TXXX:CATALOGNUMBER'                                'ET 932 CD'
'TXXX:MusicBrainz Album Artist Id'                  '89ad4ac3-39f7-470e-963a-56509c546377'
'TXXX:MusicBrainz Album Id'                         '9f43d57c-f5c2-4034-af76-1c2923f44939'
'TXXX:MusicBrainz Album Release Country'            'IT'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album/compilation'
'TXXX:MusicBrainz Artist Id'                        '66cc6d4a-6c98-47b2-9cdc-856ffc613049'
'TXXX:MusicBrainz Release Group Id'                 '60df3f40-c4db-3494-88d6-24dfcb6ae285'
'TXXX:MusicBrainz Release Track Id'                 'a871e41d-c271-4080-81aa-126c4cdd6a45'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:lastfmtags'                                   ['soundtrack', 'funk', 'composer', 'italian', 'film music']
'TXXX:originalyear'                                 '1999'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+1.36 dB'
'TXXX:replaygain_track_peak'                        '0.546920'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'd0b2e195-ad05-4061-8c94-8d8db9236816')

========================== row from database ==========================
                                              'id'  725610
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/italian cinema lounge/mario nascimbene - carol on the sea.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  245
                                           'genre'  prerock-jb-jazz-lounge or exotica or bossa
                                        'filesize'  5954543
                                           'mtime'  1620537687
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country italian cinema lounge mario nascimbene carol sea prerock jb jazz lounge or exotica or bossa
                                      'tag_artist'  Mario Nascimbene
                                     'tag_release'  Italian Cinema Lounge
                                       'tag_title'  Carol on the Sea
                                             'bpm'  135.0
                                    'search_title'  'carol':1 'on':2 'sea':4 'the':3
                                   'search_artist'  'mario':1 'nascimbene':2
                                  'search_release'  'cinema':2 'italian':1 'lounge':3
                                     'search_rest'  'bossa':15 'carol':10 'cinema':6 'country':4 'exotica':2 'italian':5 'jazz':1 'jb':13 'lounge':7 'mario':8 'nascimbene':9 'oldies':3 'or':14 'prerock':12 'sea':11
                                    'search_combo'  'bossa':24 'carol':1A,19 'cinema':8C,15 'country':13 'exotica':11 'italian':7C,14 'jazz':10 'jb':22 'lounge':9C,16 'mario':5B,17 'nascimbene':6B,18 'oldies':12 'on':2A 'or':23 'prerock':21 'sea':4A,20 'the':3A
                                    'tag_tracknum'  7
                                      'num_images'  1
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-3', 'q-busy-2', 'q-drums-1', 'q-syn-2', 'q-chart-2', 'q-other-4', 'Q-HAP-3', 'q-bass-4', 'q-grit-1']
                                      'lastfmtags'  ['soundtrack', 'funk', 'composer', 'italian', 'film music']
                                        'tag_date'  1999
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620537686.7092505  (2021-05-09 07:21:26)
                             'size'  5954543