======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '107'
                                          'artist'  'My Brother the Wind'
                                     'text_people'  ''
                                         'release'  'Twilight in the Crystal Cabinet'
                                           'title'  'Precious Sanity'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  ("['instrumental', 'progressive rock', 'space rock', 'psychedelic rock', "
 "'psychedelic']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  '6'
                                            'date'  '2010'
                                        'comments'  ''
                                           'genre'  'rock-cppex-psychedelic'
                                             'bpm'  '127.1'
                                             'key'  '6A'
                                        'acoustid'  '789ade73-58ab-446b-a360-ce61e7c0a57d'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:Songs-DB_Custom1:XXX'                         'done'
'COMM:Songs-DB_Custom2:XXX'                         'lars'
'COMM:Songs-DB_Custom3:XXX'                         'michiel van zwieten'
'COMM:Songs-DB_Custom4:XXX'                         'swe'
'TALB' (Album/Movie/Show title)                     'Twilight in the Crystal Cabinet'
'TBPM' (BPM (beats per minute))                     '127.1'
'TCON' (Content type, a.k.a. Genre)                 'rock-cppex-psychedelic'
'TDOR' (Original release time)                      '2010'
'TDRC' (Recording time)                             '2010-06-10'
'TIT2' (Title/songname/content description)         'Precious Sanity'
'TKEY' (Initial key)                                '6A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'My Brother the Wind'
'TPE2' (Band/orchestra/accompaniment)               'My Brother the Wind'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Transubstans Records'
'TRCK' (Track number/Position in set)               '4/6'
'TSO2'                                              'My Brother the Wind'
'TSOP' (Performer sort order)                       'My Brother the Wind'
'TXXX:ASIN'                                         'B003U6370Q'
'TXXX:Acoustid Id'                                  '789ade73-58ab-446b-a360-ce61e7c0a57d'
'TXXX:Artists'                                      'My Brother the Wind'
'TXXX:BARCODE'                                      '7393210233027'
'TXXX:CATALOGNUMBER'                                'TRANS056'
'TXXX:MusicBrainz Album Artist Id'                  'c6f05a97-d587-4735-b384-a6a286972e78'
'TXXX:MusicBrainz Album Id'                         '99db037a-e0bb-472b-ac96-167a2baebfab'
'TXXX:MusicBrainz Album Release Country'            'XE'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        'c6f05a97-d587-4735-b384-a6a286972e78'
'TXXX:MusicBrainz Release Group Id'                 'fe56fe9c-fd6a-4a9c-8ab9-d02d813130c2'
'TXXX:MusicBrainz Release Track Id'                 'd006fccb-ac03-3468-8822-a872473883e3'
'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:SCRIPT'                                       'Latn'
'TXXX:lastfmtags'                                   ['instrumental',
 'progressive rock',
 'space rock',
 'psychedelic rock',
 'psychedelic']
'TXXX:originalyear'                                 '2010'
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+7.15 dB'
'TXXX:replaygain_track_peak'                        '0.172998'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'6308ae96-2113-4e7f-b14f-357659ee56ee')

========================== row from database ==========================
                                              'id'  1414861
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/My Brother the Wind - (2010) twilight in the crystal cabinet/04 - precious sanity.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  107
                                           'genre'  rock-cppex-psychedelic
                                        'filesize'  4395292
                                           'mtime'  1620736670
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy (2010) twilight crystal cabinet 04 precious sanity rock cppex psychedelic
                                      'tag_artist'  My Brother the Wind
                                     'tag_release'  Twilight in the Crystal Cabinet
                                       'tag_title'  Precious Sanity
                                             'bpm'  127.1
                                    'search_title'  'precious':1 'sanity':2
                                   'search_artist'  'brother':2 'my':1 'the':3 'wind':4
                                  'search_release'  'cabinet':5 'crystal':4 'in':2 'the':3 'twilight':1
                                     'search_rest'  '2010':2,3 'cabinet':6 'classicprogpsy':1 'cppex':10 'crystal':5 'precious':7 'psychedelic':11 'rock':9 'sanity':8 'twilight':4
                                    'search_combo'  '2010':13,14 'brother':4B 'cabinet':11C,17 'classicprogpsy':12 'cppex':21 'crystal':10C,16 'in':8C 'my':3B 'precious':1A,18 'psychedelic':22 'rock':20 'sanity':2A,19 'the':5B,9C 'twilight':7C,15 'wind':6B
                                    'tag_tracknum'  4
                                      'num_images'  1
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-2', 'q-other-4', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['instrumental', 'progressive rock', 'space rock', 'psychedelic rock', 'psychedelic']
                                        'tag_date'  2010
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620736670.0641744  (2021-05-11 14:37:50)
                             'size'  4395292