======================== unified (from filesystem) ========================
                                         'bitrate'  '98.963'
                                        'duration'  '211'
                                          'artist'  'The Gaslamp Killer'
                                     'text_people'  ''
                                         'release'  "It's A Rocky Road : Volume 2"
                                           'title'  'Gossamer Wings'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-2', 'Q-LOCALNESS-1', 'Q-HHRNBTT-3', "
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 "'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['psychedelic', 'jazz', 'electronic', 'hip hop', 'experimental']"
                                     'discogstags'  "['jazz', 'rock', 'funk / soul', 'psychedelic rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '13'
                                      'tracktotal'  '15'
                                            'date'  '2007'
                                        'comments'  ''
                                           'genre'  'hip hop or rnb or rap or turntablism'
                                             'bpm'  '128.170'
                                             'key'  '7A'
                                        'acoustid'  '49aaab1b-0068-4da5-ad29-b0d8dab4f2b1'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:ID3v1 Comment:XXX'                            ' 00000C7D 00000C7D 00008926'
'COMM:iTunNORM:eng'                                 (' 00000C7D 00000C7D 00008926 00008926 000001A1 000001A1 00008000 00008000 '
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'PRIV:http://www.cdtag.com:\x02\x00b\x1f\x94\x00'   PRIV(owner='http://www.cdtag.com', data=b'\x02\x00b\x1f\x94\x00')
'TALB' (Album/Movie/Show title)                     "It's A Rocky Road : Volume 2"
'TBPM' (BPM (beats per minute))                     '128.170'
'TCMP'                                              '1'
'TCON' (Content type, a.k.a. Genre)                 'hip hop or rnb or rap or turntablism'
'TDOR' (Original release time)                      '2007'
'TDRC' (Recording time)                             '2007'
'TENC' (Encoded by)                                 '- hot soup -'
'TIT2' (Title/songname/content description)         'Gossamer Wings'
'TKEY' (Initial key)                                '7A'
'TLAN' (Language(s))                                'eng'
'TPE1' (Lead performer(s)/Soloist(s))               'The Chocolate Watch Band'
'TPE2' (Band/orchestra/accompaniment)               'The Gaslamp Killer'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '13/15'
'TSO2'                                              'Gaslamp Killer, The'
'TSOP' (Performer sort order)                       'Chocolate Watchband, The'
'TSSE' (Software/Hardware and settings used for encoding)  'LAME v3.97 -V2 --vbr-new'
'TXXX:Acoustid Id'                                  '49aaab1b-0068-4da5-ad29-b0d8dab4f2b1'
'TXXX:MusicBrainz Album Artist Id'                  '6ad95b5d-6ae9-45e3-847a-121d2b32dadc'
'TXXX:MusicBrainz Album Id'                         'f138ade7-7258-4a93-a914-bc4425012576'
'TXXX:MusicBrainz Album Release Country'            'US'
'TXXX:MusicBrainz Album Type'                       'compilation'
'TXXX:MusicBrainz Artist Id'                        '78845d2c-8565-48be-99e0-32c1589459a1'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '3'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:Release type'                                 'Normal release'
'TXXX:Rip date'                                     '2007-08-28'
'TXXX:Ripping tool'                                 'EAC'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:Source'                                       'CDR'
'TXXX:discogstags'                                  ['jazz', 'rock', 'funk / soul', 'psychedelic rock']
'TXXX:lastfmtags'                                   ['psychedelic', 'jazz', 'electronic', 'hip hop', 'experimental']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.39 dB'
'TXXX:replaygain_track_peak'                        '0.432446'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'15959c1c-c407-4c30-b48f-3d8d2cde8029')

========================== row from database ==========================
                                              'id'  1533971
                                            'path'  /data/Music/Bulk/00popandrock-hiphop-rap-rnb-turntablism/The Gaslamp Killer/It_s A Rocky Road Vol.2/13 Track 13.mp3
                                         'working'  None
                                         'bitrate'  98
                                    'duration_sec'  211
                                           'genre'  hip hop or rnb or rap or turntablism
                                        'filesize'  2641322
                                           'mtime'  1620592529
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock hiphop rap rnb turntablism It_s Vol.2 13 Track 13 hip hop or rnb or rap or turntablism
                                      'tag_artist'  The Gaslamp Killer
                                     'tag_release'  It's A Rocky Road : Volume 2
                                       'tag_title'  Gossamer Wings
                                             'bpm'  128.17
                                    'search_title'  'gossamer':1 'wings':2
                                   'search_artist'  'gaslamp':2 'killer':3 'the':1
                                  'search_release'  '2':8 'a':4 'it':1 'its':3 'road':6 'rocky':5 's':2 'volume':7
                                     'search_rest'  '2':8 'hip':11 'hiphop':1 'hop':12 'it':5 'or':13 'rap':2 'rnb':3 's':6 'track':10 'turntablism':4 'vol':7 'vol2':9
                                    'search_combo'  '2':13C,21 'a':9C 'gaslamp':4B 'gossamer':1A 'hip':24 'hiphop':14 'hop':25 'it':6C,18 'its':8C 'killer':5B 'or':26 'rap':15 'rnb':16 'road':11C 'rocky':10C 's':7C,19 'the':3B 'track':23 'turntablism':17 'vol':20 'vol2':22 'volume':12C 'wings':2A
                                    'tag_tracknum'  13
                                      'num_images'  1
                                             'key'  7A
                                           'quals'  ['Q-HHRNBTT-3', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-3', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['psychedelic', 'jazz', 'electronic', 'hip hop', 'experimental']
                                        'tag_date'  2007
                                     'discogstags'  ['jazz', 'rock', 'funk / soul', 'psychedelic rock']

============================== file details ==============================
                                           'mtime'  1620592529.4918654  (2021-05-09 22:35:29)
                             'size'  2641322