======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '167'
                                          'artist'  'Tinariwen'
                                     'text_people'  ''
                                         'release'  'Elwan'
                                           'title'  'Arhegh ad ann`gh'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-2', 'Q-UNU-3', 'Q-HHRNBTT-1', 'Q-OLDST-1', "
 "'Q-LOCALNESS-4', 'q-syn-1', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-3', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['world', 'blues', 'mali', 'world music', 'african']"
                                     'discogstags'  "['african', 'folk, world, & country']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '10'
                                      'tracktotal'  '13'
                                            'date'  '2017'
                                        'comments'  ''
                                           'genre'  'loc-africa-mali'
                                             'bpm'  '144.955'
                                             'key'  '6B'
                                        'acoustid'  '53776c1c-b66b-459e-be53-01c55e5a8270'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Elwan'
'TBPM' (BPM (beats per minute))                     '144.955'
'TCON' (Content type, a.k.a. Genre)                 'loc-africa-mali'
'TDOR' (Original release time)                      '2017'
'TDRC' (Recording time)                             '2017'
'TENC' (Encoded by)                                 'iTunes 12.5.4.42'
'TIT2' (Title/songname/content description)         'Arhegh ad ann`gh'
'TKEY' (Initial key)                                '6B'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Tinariwen'
'TPE2' (Band/orchestra/accompaniment)               'Tinariwen'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'ANTI-'
'TRCK' (Track number/Position in set)               '10/13'
'TSO2'                                              'Tinariwen'
'TSOP' (Performer sort order)                       'Tinariwen'
'TSRC' (ISRC (international standard recording code))  'FRPH71600016'
'TXXX:ASIN'                                         'B01MDOHQPT'
'TXXX:Acoustid Id'                                  '53776c1c-b66b-459e-be53-01c55e5a8270'
'TXXX:BARCODE'                                      '045778746729'
'TXXX:CATALOGNUMBER'                                '87467-2'
'TXXX:MusicBrainz Album Artist Id'                  '5c98fc12-be83-4246-ae5b-2184192913b9'
'TXXX:MusicBrainz Album Id'                         'f99d8c4f-582b-4b84-96fc-8162a3018521'
'TXXX:MusicBrainz Album Release Country'            'US'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '5c98fc12-be83-4246-ae5b-2184192913b9'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '4'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '3'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  ['african', 'folk, world, & country']
'TXXX:lastfmtags'                                   ['world', 'blues', 'mali', 'world music', 'african']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+21.18 dB'
'TXXX:replaygain_track_peak'                        '0.032354'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'46393830-0e5d-404a-8c75-20864fe7a445')

========================== row from database ==========================
                                              'id'  1400563
                                            'path'  /data/Music/Bulk/00localcharacter/00africa/2017 - Elwan/10 - Arhegh ad annàgh.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  167
                                           'genre'  loc-africa-mali
                                        'filesize'  6730833
                                           'mtime'  1621626231
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00africa 2017 10 annàgh loc africa mali
                                      'tag_artist'  Tinariwen
                                     'tag_release'  Elwan
                                       'tag_title'  Arhegh ad ann`gh
                                             'bpm'  144.955
                                    'search_title'  'ad':2 'ann':3 'arhegh':1 'gh':4
                                   'search_artist'  'tinariwen':1
                                  'search_release'  'elwan':1
                                     'search_rest'  '00africa':1 '2017':2 'africa':6 'annagh':3,4 'loc':5 'mali':7
                                    'search_combo'  '00africa':7 '2017':8 'ad':2A 'africa':12 'ann':3A 'annagh':9,10 'arhegh':1A 'elwan':6C 'gh':4A 'loc':11 'mali':13 'tinariwen':5B
                                    'tag_tracknum'  10
                                      'num_images'  1
                                             'key'  6B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-4', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-1', 'Q-UNU-3', 'Q-JZFKS-2', 'q-busy-3', 'q-drums-1', 'q-syn-1', 'q-chart-3', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['world', 'blues', 'mali', 'world music', 'african']
                                        'tag_date'  2017
                                     'discogstags'  ['african', 'folk, world, & country']

============================== file details ==============================
                                           'mtime'  1621626230.7480218  (2021-05-21 21:43:50)
                             'size'  6730833