======================== unified (from filesystem) ========================
                                         'bitrate'  '123.15'
                                        'duration'  '384'
                                          'artist'  'Gregory Isaacs'
                                     'text_people'  ''
                                         'release'  'Dancehall: The Rise of Jamaican Dancehall Culture'
                                           'title'  'Soon Forward'
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                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '17'
                                      'tracktotal'  '17'
                                            'date'  '2008'
                                        'comments'  ''
                                           'genre'  'loc-style-reggae or dub or ska or dancehall'
                                             'bpm'  '101.3'
                                             'key'  '7A'
                                        'acoustid'  'cdbe6d47-09df-4965-bc5a-d0ddf3b758e7'
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))                     '101.3'
'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)         'Soon Forward'
'TKEY' (Initial key)                                '7A'
'TLAN' (Language(s))                                'English'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Gregory Isaacs'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPOS' (Part of a set)                              '1/2'
'TPUB' (Publisher)                                  'Soul Jazz Records'
'TRCK' (Track number/Position in set)               '17/17'
'TSO2'                                              'Various Artists'
'TSOP' (Performer sort order)                       'Isaacs, Gregory'
'TSRC' (ISRC (international standard recording code))  'GBBCK7700131'
'TXXX:ARTISTS'                                      'Gregory Isaacs'
'TXXX:ASIN'                                         'B001GJ39UW'
'TXXX:Acoustid Id'                                  'cdbe6d47-09df-4965-bc5a-d0ddf3b758e7'
'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'                        '9abff216-e204-4dbc-9849-d1dbe1fbbda8'
'TXXX:MusicBrainz Release Group Id'                 '4934daea-6a00-3ca5-99cf-84a7adea7539'
'TXXX:MusicBrainz Release Track Id'                 'aaec327a-f1ab-38fc-8830-d6e5f1d83ad9'
'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'                                       '4'
'TXXX:q-drums'                                      '3'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-6.22 dB'
'TXXX:replaygain_track_peak'                        '0.993181'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'afd34baa-c479-4e63-ac49-e7353cc5e560')

========================== row from database ==========================
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                                            'path'  /data/Music/Bulk/00localcharacter/00reggae-dub/VA-Dancehall_-_The_Rise_Of_Jamaican_Dancehall_Culture-2CD-(SJRCD196)-2008-JUST/117-gregory_isaacs-soon_forward.mp3
                                         'working'  None
                                         'bitrate'  123
                                    'duration_sec'  384
                                           'genre'  loc-style-reggae or dub or ska or dancehall
                                        'filesize'  6018468
                                           'mtime'  1636914160
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00reggae dub VA Dancehall_ _The_Rise_Of_Jamaican_Dancehall_Culture 2CD (SJRCD196) 2008 JUST 117 gregory_isaacs soon_forward loc style reggae dub ska dancehall
                                      'tag_artist'  Gregory Isaacs
                                     'tag_release'  Dancehall: The Rise of Jamaican Dancehall Culture
                                       'tag_title'  Soon Forward
                                             'bpm'  101.3
                                    'search_title'  'forward':2 'soon':1
                                   'search_artist'  'gregory':1 'isaacs':2
                                  'search_release'  'culture':7 'dancehall':1,2 'jamaican':6 'of':5 'rise':4 'the':3
                                     'search_rest'  '00reggae':1 '117':16 '2008':14 '2cd':11 'culture':10 'dancehall':4,9,25 'dub':2 'forward':20 'gregory':17 'isaacs':18 'jamaican':8 'just':15 'loc':21 'of':7 'reggae':23 'rise':6 'sjrcd196':12,13 'ska':24 'soon':19 'style':22 'the':5 'va':3
                                    'search_combo'  '00reggae':12 '117':27 '2008':25 '2cd':22 'culture':11C,21 'dancehall':5C,6C,15,20,36 'dub':13 'forward':2A,31 'gregory':3B,28 'isaacs':4B,29 'jamaican':10C,19 'just':26 'loc':32 'of':9C,18 'reggae':34 'rise':8C,17 'sjrcd196':23,24 'ska':35 'soon':1A,30 'style':33 'the':7C,16 'va':14
                                    'tag_tracknum'  17
                                      '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-3', 'Q-SYN-2', 'q-other-1', 'Q-BUSY-2', 'Q-HAP-3', 'Q-PLAY-3', 'q-bass-4']
                                      'lastfmtags'  []
                                        'tag_date'  2008
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636914159.8058784  (2021-11-14 19:22:39)
                             'size'  6018468