======================== unified (from filesystem) ========================
                                         'bitrate'  '202.181'
                                        'duration'  '170'
                                          'artist'  'The Gaslamp Killer'
                                     'text_people'  ''
                                         'release'  "It's A Rocky Road : Volume 2"
                                           'title'  'Sour Soul'
                                           '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-4', 'q-piano-1', 'q-vocals-1', "
 "'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'  '6'
                                      'tracktotal'  '15'
                                            'date'  '2007'
                                        'comments'  ''
                                           'genre'  'hip hop or rnb or rap or turntablism'
                                             'bpm'  '96.853'
                                             'key'  '3A'
                                        'acoustid'  '55a9b3fa-f1d1-486c-903d-c6ae322f7878'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:ID3v1 Comment:XXX'                            ' 000009AB 000022E3 00004570'
'COMM:iTunNORM:eng'                                 (' 000009AB 000022E3 00004570 0000EB47 000104DC 000236B6 00007F88 00008000 '
 '000104C5 0000CBCF')
'PRIV:http://www.cdtag.com:\x02\x00Ê\x19\x92\x00'   PRIV(owner='http://www.cdtag.com', data=b'\x02\x00\xca\x19\x92\x00')
'TALB' (Album/Movie/Show title)                     "It's A Rocky Road : Volume 2"
'TBPM' (BPM (beats per minute))                     '96.853'
'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)         'Sour Soul'
'TKEY' (Initial key)                                '3A'
'TLAN' (Language(s))                                'eng'
'TPE1' (Lead performer(s)/Soloist(s))               'Pool-Pah'
'TPE2' (Band/orchestra/accompaniment)               'The Gaslamp Killer'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '6/15'
'TSO2'                                              'Gaslamp Killer, The'
'TSOP' (Performer sort order)                       'Pool-Pah'
'TSSE' (Software/Hardware and settings used for encoding)  'LAME v3.97 -V2 --vbr-new'
'TXXX:Acoustid Id'                                  '55a9b3fa-f1d1-486c-903d-c6ae322f7878'
'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'                        '073b0ecb-20d5-4cc9-9e28-a435ed9291e5'
'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'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.28 dB'
'TXXX:replaygain_track_peak'                        '0.374373'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'e50f7c8c-4076-463b-bdb7-bb0615499278')

========================== row from database ==========================
                                              'id'  1532042
                                            'path'  /data/Music/Bulk/00popandrock-hiphop-rap-rnb-turntablism/The Gaslamp Killer/It_s A Rocky Road Vol.2/06 Track 06.mp3
                                         'working'  None
                                         'bitrate'  202
                                    'duration_sec'  170
                                           'genre'  hip hop or rnb or rap or turntablism
                                        'filesize'  4347730
                                           'mtime'  1620592529
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock hiphop rap rnb turntablism It_s Vol.2 06 Track 06 hip hop or rnb or rap or turntablism
                                      'tag_artist'  The Gaslamp Killer
                                     'tag_release'  It's A Rocky Road : Volume 2
                                       'tag_title'  Sour Soul
                                             'bpm'  96.853
                                    'search_title'  'soul':2 'sour':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':13C,21 'a':9C 'gaslamp':4B '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 'soul':2A 'sour':1A 'the':3B 'track':23 'turntablism':17 'vol':20 'vol2':22 'volume':12C
                                    'tag_tracknum'  6
                                      'num_images'  1
                                             'key'  3A
                                           'quals'  ['Q-HHRNBTT-3', 'q-vocals-1', '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-4', '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'  1620592528.8065948  (2021-05-09 22:35:28)
                             'size'  4347730