======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '157'
                                          'artist'  'Little Roy'
                                     'text_people'  ''
                                         'release'  'Battle for Seattle'
                                           'title'  'Sliver'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-3', 'Q-UNU-2', 'Q-HHRNBTT-2', 'Q-OLDST-2', "
 "'Q-LOCALNESS-3', 'q-syn-2', 'q-bass-4', 'q-busy-2', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-3', 'q-other-1', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['reggae', 'roots reggae', 'cover', 'dub', 'roots']"
                                     'discogstags'  "['reggae']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '5'
                                      'tracktotal'  '10'
                                            'date'  '2011'
                                        'comments'  ''
                                           'genre'  'loc-style-reggae or dub or ska or dancehall-dub-roots and reggae'
                                             'bpm'  '141.413'
                                             'key'  '8A'
                                        'acoustid'  '0485b976-4505-4eec-93b5-8f03a329a998'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Battle for Seattle'
'TBPM' (BPM (beats per minute))                     '141.413'
'TCON' (Content type, a.k.a. Genre)                 'loc-style-reggae or dub or ska or dancehall-dub-roots and reggae'
'TCOP' (Copyright message)                          '2011 Ark Recordings'
'TDOR' (Original release time)                      '2011'
'TDRC' (Recording time)                             '2011-09-05'
'TIT2' (Title/songname/content description)         'Sliver'
'TKEY' (Initial key)                                '8A'
'TMED' (Media type)                                 'Digital Media'
'TPE1' (Lead performer(s)/Soloist(s))               'Little Roy'
'TPE2' (Band/orchestra/accompaniment)               'Little Roy'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Ark Recordings'
'TRCK' (Track number/Position in set)               '5/10'
'TSO2'                                              'Little Roy'
'TSOP' (Performer sort order)                       'Little Roy'
'TSRC' (ISRC (international standard recording code))  'GBMGR1100118'
'TXXX:ARTWORKGUID'                                  'CBD989D4-779C-1A46-23DC-7A15C3FA7689'
'TXXX:ASIN'                                         'B005CLDG5I'
'TXXX:Acoustid Id'                                  '0485b976-4505-4eec-93b5-8f03a329a998'
'TXXX:CATALOGNUMBER'                                '024DL'
'TXXX:CATALOGUENUMBER'                              'ARK 024DL'
'TXXX:MusicBrainz Album Artist Id'                  'fb5b2634-708f-4ffb-a08c-6b59a58c9c21'
'TXXX:MusicBrainz Album Id'                         'b286beb8-a64e-46a1-b491-5c582ae449ff'
'TXXX:MusicBrainz Album Release Country'            'XW'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        'fb5b2634-708f-4ffb-a08c-6b59a58c9c21'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '2'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '2'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  'reggae'
'TXXX:lastfmtags'                                   ['reggae', 'roots reggae', 'cover', 'dub', 'roots']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-2.27 dB'
'TXXX:replaygain_track_peak'                        '0.602884'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'0f30e72a-2c7f-49eb-8b73-1e52630afa8a')

========================== row from database ==========================
                                              'id'  1382537
                                            'path'  /data/Music/Bulk/00localcharacter/00reggae-dub/little roy - battle for seattle - [2011] - 320kbit_s - mp3 - cbr - thecaptainofsweden/05 - Sliver.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  157
                                           'genre'  loc-style-reggae or dub or ska or dancehall-dub-roots and reggae
                                        'filesize'  6433742
                                           'mtime'  1620522640
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00reggae dub little roy battle seattle [2011] 320kbit_s mp3 cbr thecaptainofsweden 05 loc style reggae dub ska dancehall dub roots and reggae
                                      'tag_artist'  Little Roy
                                     'tag_release'  Battle for Seattle
                                       'tag_title'  Sliver
                                             'bpm'  141.413
                                    'search_title'  'sliver':1
                                   'search_artist'  'little':1 'roy':2
                                  'search_release'  'battle':1 'for':2 'seattle':3
                                     'search_rest'  '00reggae':1 '2011':7,8 '320kbit':9 'and':20 'battle':5 'cbr':12 'dancehall':18 'dub':2 'little':3 'loc':14 'mp3':11 'reggae':16 'roots':19 'roy':4 's':10 'seattle':6 'ska':17 'style':15 'thecaptainofsweden':13
                                    'search_combo'  '00reggae':7 '2011':13,14 '320kbit':15 'and':26 'battle':4C,11 'cbr':18 'dancehall':24 'dub':8 'for':5C 'little':2B,9 'loc':20 'mp3':17 'reggae':22 'roots':25 'roy':3B,10 's':16 'seattle':6C,12 'ska':23 'sliver':1A 'style':21 'thecaptainofsweden':19
                                    'tag_tracknum'  5
                                      'num_images'  1
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-2', 'q-vocals-3', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-2', 'Q-JZFKS-3', 'q-busy-2', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-1', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['reggae', 'roots reggae', 'cover', 'dub', 'roots']
                                        'tag_date'  2011
                                     'discogstags'  ['reggae']

============================== file details ==============================
                                           'mtime'  1620522639.8579812  (2021-05-09 03:10:39)
                             'size'  6433742