======================== unified (from filesystem) ========================
                                         'bitrate'  '150.357'
                                        'duration'  '246'
                                          'artist'  'Chaka Demus & Pliers'
                                     'text_people'  ''
                                         'release'  'Dancehall: The Rise of Jamaican Dancehall Culture'
                                           'title'  'Murder She Wrote'
                                           'quals'  ("['Q-HAP-3', 'Q-BUSY-2', 'Q-GRIT-2', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-SYN-2', "
 "'Q-OLDST-2', 'Q-PLAY-3', 'Q-CHART-2', 'Q-MIXBEAT-2', 'q-bass-3', "
 "'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-3', 'Q-JZFKS-3', "
 "'Q-LOCALNESS-3']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  '17'
                                            'date'  '2008'
                                        'comments'  ''
                                           'genre'  'loc-style-reggae or dub or ska or dancehall'
                                             'bpm'  '95.0'
                                             'key'  '7A'
                                        'acoustid'  'c679c547-ba58-4fe5-849e-9c89eb2fb88d'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM::eng'                                         'Try before you buy!'
'COMM:ID3v1 Comment:eng'                            'Try before you buy!'
'TALB' (Album/Movie/Show title)                     'Dancehall: The Rise of Jamaican Dancehall Culture'
'TBPM' (BPM (beats per minute))                     '95.0'
'TCMP'                                              '1'
'TCON' (Content type, a.k.a. Genre)                 'loc-style-reggae or dub or ska or dancehall'
'TDOR' (Original release time)                      '2008'
'TDRC' (Recording time)                             '2008-11-10'
'TENC' (Encoded by)                                 "LAME Ain't an MP3 Encoder"
'TIT2' (Title/songname/content description)         'Murder She Wrote'
'TKEY' (Initial key)                                '7A'
'TLAN' (Language(s))                                'English'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Chaka Demus & Pliers'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPOS' (Part of a set)                              '1/2'
'TPUB' (Publisher)                                  'Soul Jazz Records'
'TRCK' (Track number/Position in set)               '4/17'
'TSO2'                                              'Various Artists'
'TSOP' (Performer sort order)                       'Chaka Demus & Pliers'
'TSRC' (ISRC (international standard recording code))  'USIR19290014'
'TXXX:ARTISTS'                                      'Chaka Demus & Pliers'
'TXXX:ASIN'                                         'B001GJ39UW'
'TXXX:Acoustid Id'                                  'c679c547-ba58-4fe5-849e-9c89eb2fb88d'
'TXXX:BARCODE'                                      '5026328201962'
'TXXX:CATALOGNUMBER'                                'SJR CD 196'
'TXXX:MusicBrainz Album Artist Id'                  '89ad4ac3-39f7-470e-963a-56509c546377'
'TXXX:MusicBrainz Album Id'                         'cae8d585-2daa-44e2-9c58-12761e6d986c'
'TXXX:MusicBrainz Album Release Country'            'GB'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album/compilation'
'TXXX:MusicBrainz Artist Id'                        '449f264b-1a94-4ef8-b601-2ffccbbedefa'
'TXXX:MusicBrainz Release Group Id'                 '4934daea-6a00-3ca5-99cf-84a7adea7539'
'TXXX:MusicBrainz Release Track Id'                 'ea42bd94-fe8e-3452-a356-b349627eb77d'
'TXXX:Q-BUSY'                                       '2'
'TXXX:Q-CHART'                                      '2'
'TXXX:Q-GRIT'                                       '2'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-MIXBEAT'                                    '2'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-PLAY'                                       '3'
'TXXX:Q-SYN'                                        '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:originalyear'                                 '2008'
'TXXX:q-bass'                                       '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-4.34 dB'
'TXXX:replaygain_track_peak'                        '1.018973'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'415ff1c8-b830-4899-a879-4ca2d8509187')

========================== row from database ==========================
                                              'id'  1535412
                                            'path'  /data/Music/Bulk/00localcharacter/00reggae-dub/VA-Dancehall_-_The_Rise_Of_Jamaican_Dancehall_Culture-2CD-(SJRCD196)-2008-JUST/104-chaka_demus_and_plier-murder_she_wrote.mp3
                                         'working'  None
                                         'bitrate'  150
                                    'duration_sec'  246
                                           'genre'  loc-style-reggae or dub or ska or dancehall
                                        'filesize'  4724266
                                           'mtime'  1636914151
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00reggae dub VA Dancehall_ _The_Rise_Of_Jamaican_Dancehall_Culture 2CD (SJRCD196) 2008 JUST 104 chaka_demus_and_plier murder_she_wrote loc style reggae or dub or ska or dancehall
                                      'tag_artist'  Chaka Demus & Pliers
                                     'tag_release'  Dancehall: The Rise of Jamaican Dancehall Culture
                                       'tag_title'  Murder She Wrote
                                             'bpm'  95.0
                                    'search_title'  'murder':1 'she':2 'wrote':3
                                   'search_artist'  'chaka':1 'demus':2 'pliers':3
                                  'search_release'  'culture':7 'dancehall':1,2 'jamaican':6 'of':5 'rise':4 'the':3
                                     'search_rest'  '00reggae':1 '104':16 '2008':14 '2cd':11 'and':19 'chaka':17 'culture':10 'dancehall':4,9,29 'demus':18 'dub':2 'jamaican':8 'just':15 'loc':24 'murder':21 'of':7 'or':27 'plier':20 'reggae':26 'rise':6 'she':22 'sjrcd196':12,13 'ska':28 'style':25 'the':5 'va':3 'wrote':23
                                    'search_combo'  '00reggae':14 '104':29 '2008':27 '2cd':24 'and':32 'chaka':4B,30 'culture':13C,23 'dancehall':7C,8C,17,22,42 'demus':5B,31 'dub':15 'jamaican':12C,21 'just':28 'loc':37 'murder':1A,34 'of':11C,20 'or':40 'plier':33 'pliers':6B 'reggae':39 'rise':10C,19 'she':2A,35 'sjrcd196':25,26 'ska':41 'style':38 'the':9C,18 'va':16 'wrote':3A,36
                                    'tag_tracknum'  4
                                      'num_images'  1
                                             'key'  7A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'q-piano-1', 'Q-MIXBEAT-2', 'Q-OLDST-2', 'Q-GRIT-2', 'Q-UNU-1', 'Q-LOCALNESS-3', 'Q-JZFKS-3', 'Q-CHART-2', 'q-drums-4', 'Q-SYN-2', 'q-other-1', 'Q-BUSY-2', 'Q-HAP-3', 'Q-PLAY-3', 'q-bass-3']
                                      'lastfmtags'  []
                                        'tag_date'  2008
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636914150.6043758  (2021-11-14 19:22:30)
                             'size'  4724266