======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '238'
                                          'artist'  'Beirut'
                                     'text_people'  ''
                                         'release'  'Gulag Orkestar'
                                           'title'  'Rhineland (Heartland)'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-3', 'Q-HHRNBTT-1', 'Q-OLDST-1', "
 "'Q-LOCALNESS-4', 'Q-PLAY-2', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', "
 "'Q-PIANO-2', 'q-chart-2', 'q-drums-1', 'q-other-3', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['indie', 'alternative', 'indie folk', 'folk']"
                                     'discogstags'  "['rock', 'folk, world, & country', 'folk', 'indie rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '6'
                                      'tracktotal'  '11'
                                            'date'  '2006'
                                        'comments'  ''
                                           'genre'  'loc-m'
                                             'bpm'  '125.006'
                                             'key'  '8A'
                                        'acoustid'  '2b16f682-e6d0-4177-a8d9-ed3bc728c692'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:ID3v1 Comment:XXX'                            ' 00000C93 00000E6D 00002512'
'COMM:iTunNORM:eng'                                 (' 00000C93 00000E6D 00002512 00002D6F 0001ADF5 0001D4EE 00007CC5 00007F78 '
 '000138AE 000138AE')
'MCDI' (Music CD identifier)                        MCDI(data=b"B\x00+\x009\x006\x00+\x005\x002\x004\x00C\x00+\x009\x004\x00B\x009\x00+\x00D\x004\x00D\x001\x00+\x001\x002\x000\x004\x000\x00+\x001\x005\x009\x008\x007\x00+\x001\x009\x00F\x007\x00D\x00+\x001\x00C\x005\x001\x002\x00+\x001\x00F\x00E\x00E\x002\x00+\x002\x003\x007\x007\x00B\x00+\x002\x006\x000\x00D\x003\x00+\x002\x009\x004\x001\x000\x00\x00\x00PRIV\x00\x00\x00'\x00\x00WM/MediaClassPrimaryID\x00\xbc}`\xd1#\xe3\xe2K\x86\xa1H\xa4*(D\x1ePRIV\x00\x00\x00)\x00\x00WM/MediaClassSecondaryID\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00PRIV\x00\x00\x00\x1f\x00\x00WM/WMContentID\x00\x97S\xeb")
'TALB' (Album/Movie/Show title)                     'Gulag Orkestar'
'TBPM' (BPM (beats per minute))                     '125.006'
'TCON' (Content type, a.k.a. Genre)                 'loc-m'
'TDOR' (Original release time)                      '2005'
'TDRC' (Recording time)                             '2006-05-09'
'TIPL' (Involved people list)                       TIPL(encoding=<Encoding.UTF16: 1>, people=[['accordion', 'Zach Condon'], ['percussion', 'Zach Condon'], ['ukulele', 'Zach Condon'], ['organ', 'Zach Condon'], ['trumpet', 'Zach Condon'], ['piano', 'Zach Condon'], ['mandolin', 'Zach Condon']])
'TIT2' (Title/songname/content description)         'Rhineland (Heartland)'
'TKEY' (Initial key)                                '8A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Beirut'
'TPE2' (Band/orchestra/accompaniment)               'Beirut'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Ba Da Bing!'
'TRCK' (Track number/Position in set)               '6/11'
'TSO2'                                              'Beirut'
'TSOP' (Performer sort order)                       'Beirut'
'TXXX:ASIN'                                         'B000F5GO0A'
'TXXX:Acoustid Id'                                  '2b16f682-e6d0-4177-a8d9-ed3bc728c692'
'TXXX:BARCODE'                                      '600197004821'
'TXXX:CATALOGNUMBER'                                'BING048'
'TXXX:MusicBrainz Album Artist Id'                  '0af78501-5647-4c18-9a0d-66ac8789e13b'
'TXXX:MusicBrainz Album Id'                         '5d979dfc-d7ac-4c7e-8e63-50282fcd63d2'
'TXXX:MusicBrainz Album Release Country'            'US'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '0af78501-5647-4c18-9a0d-66ac8789e13b'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '4'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-PIANO'                                      '2'
'TXXX:Q-PLAY'                                       '2'
'TXXX:Q-UNU'                                        '3'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  ['rock', 'folk, world, & country', 'folk', 'indie rock']
'TXXX:lastfmtags'                                   ['indie', 'alternative', 'indie folk', 'folk']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.73 dB'
'TXXX:replaygain_track_peak'                        '0.429993'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'af82ec92-5c5d-4cbd-897a-d0a662188825')

========================== row from database ==========================
                                              'id'  313095
                                            'path'  /data/Music/Bulk/00localcharacter/Beirut/[2006] Gulag Orkestar/06 Rhineland (Heartland).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  238
                                           'genre'  loc-m
                                        'filesize'  6010675
                                           'mtime'  1620526827
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter [2006] 06 loc m
                                      'tag_artist'  Beirut
                                     'tag_release'  Gulag Orkestar
                                       'tag_title'  Rhineland (Heartland)
                                             'bpm'  125.006
                                    'search_title'  'heartland':2,3 'rhineland':1
                                   'search_artist'  'beirut':1
                                  'search_release'  'gulag':1 'orkestar':2
                                     'search_rest'  '2006':1,2 'loc':3 'm':4
                                    'search_combo'  '2006':7,8 'beirut':4B 'gulag':5C 'heartland':2A,3A 'loc':9 'm':10 'orkestar':6C 'rhineland':1A
                                    'tag_tracknum'  6
                                      'num_images'  1
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-4', 'q-mixbeat-1', 'Q-PIANO-2', 'Q-OLDST-1', 'Q-UNU-3', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'Q-PLAY-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'alternative', 'indie folk', 'folk']
                                        'tag_date'  2006
                                     'discogstags'  ['rock', 'folk, world, & country', 'folk', 'indie rock']

============================== file details ==============================
                                           'mtime'  1620526827.336106  (2021-05-09 04:20:27)
                             'size'  6010675