======================== unified (from filesystem) ========================
                                         'bitrate'  '173.7'
                                        'duration'  '358'
                                          'artist'  'The Gaslamp Killer'
                                     'text_people'  ''
                                         'release'  "It's A Rocky Road : Volume 2"
                                           'title'  'Message From A Black Man'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-2', 'Q-LOCALNESS-1', 'Q-HHRNBTT-3', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-2', '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'  '10'
                                      'tracktotal'  '15'
                                            'date'  '2007'
                                        'comments'  ''
                                           'genre'  'hip hop or rnb or rap or turntablism'
                                             'bpm'  '143.416'
                                             'key'  '9A'
                                        'acoustid'  '8eded440-b086-41e6-bb58-c84f45ba848f'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:ID3v1 Comment:XXX'                            ' 00000FE5 00001183 0000A994'
'COMM:iTunNORM:eng'                                 (' 00000FE5 00001183 0000A994 0000AEF2 0000A216 00018F5D 00008000 00008000 '
 '000015C4 000003B8')
'PRIV:http://www.cdtag.com:\x02\x00\xad5\x9b\x00'   PRIV(owner='http://www.cdtag.com', data=b'\x02\x00\xad5\x9b\x00')
'TALB' (Album/Movie/Show title)                     "It's A Rocky Road : Volume 2"
'TBPM' (BPM (beats per minute))                     '143.416'
'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)         'Message From A Black Man'
'TKEY' (Initial key)                                '9A'
'TLAN' (Language(s))                                'eng'
'TPE1' (Lead performer(s)/Soloist(s))               'Mickey & The Soul Generation'
'TPE2' (Band/orchestra/accompaniment)               'The Gaslamp Killer'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '10/15'
'TSO2'                                              'Gaslamp Killer, The'
'TSOP' (Performer sort order)                       'Mickey & Soul Generation, The'
'TSSE' (Software/Hardware and settings used for encoding)  'LAME v3.97 -V2 --vbr-new'
'TXXX:Acoustid Id'                                  '8eded440-b086-41e6-bb58-c84f45ba848f'
'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'                        '8e92aff0-81fc-4cc1-bfe2-f1bcc5f98b57'
'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'                                      '2'
'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'                        '-0.17 dB'
'TXXX:replaygain_track_peak'                        '0.374726'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'8bb160ca-88db-4e34-9e67-d7b13d77fafb')

========================== row from database ==========================
                                              'id'  1529297
                                            'path'  /data/Music/Bulk/00popandrock-hiphop-rap-rnb-turntablism/The Gaslamp Killer/It_s A Rocky Road Vol.2/10 Track 10.mp3
                                         'working'  None
                                         'bitrate'  173
                                    'duration_sec'  358
                                           'genre'  hip hop or rnb or rap or turntablism
                                        'filesize'  7817697
                                           'mtime'  1620592529
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock hiphop rap rnb turntablism It_s Vol.2 10 Track 10 hip hop or rnb or rap or turntablism
                                      'tag_artist'  The Gaslamp Killer
                                     'tag_release'  It's A Rocky Road : Volume 2
                                       'tag_title'  Message From A Black Man
                                             'bpm'  143.416
                                    'search_title'  'a':3 'black':4 'from':2 'man':5 'message':1
                                   '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':16C,24 'a':3A,12C 'black':4A 'from':2A 'gaslamp':7B 'hip':27 'hiphop':17 'hop':28 'it':9C,21 'its':11C 'killer':8B 'man':5A 'message':1A 'or':29 'rap':18 'rnb':19 'road':14C 'rocky':13C 's':10C,22 'the':6B 'track':26 'turntablism':20 'vol':23 'vol2':25 'volume':15C
                                    'tag_tracknum'  10
                                      'num_images'  1
                                             'key'  9A
                                           '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-2', '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'  1620592529.3188076  (2021-05-09 22:35:29)
                             'size'  7817697