======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '244'
                                          'artist'  'OJM'
                                     'text_people'  ''
                                         'release'  'Volcano'
                                           'title'  "I'll Be Long"
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-OLDST-2', "
 "'Q-LOCALNESS-1', 'Q-SYN-2', 'Q-BUSY-3', 'Q-GRIT-3', 'Q-PLAY-3', 'q-bass-4', "
 "'Q-CHART-1', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'Q-MIXBEAT-2']")
                                      'lastfmtags'  ("['stoner rock', 'psychedelic rock', 'solos increibles', 'hard rock', "
 "'italian']")
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '6'
                                      'tracktotal'  '10'
                                            'date'  '2010'
                                        'comments'  ''
                                           'genre'  'rock-cppex-psychedelic'
                                             'bpm'  '137.1'
                                             'key'  '7A'
                                        'acoustid'  '71ab71e5-3290-4654-ac8d-f2fd5b546bea'
rest: ''

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

'APIC:Apple Music'                                  type PictureType.COVER_FRONT (Cover (front)) b'Apple Music'
                                     
'TALB' (Album/Movie/Show title)                     'Volcano'
'TBPM' (BPM (beats per minute))                     '137.1'
'TCON' (Content type, a.k.a. Genre)                 'rock-cppex-psychedelic'
'TDOR' (Original release time)                      '2010'
'TDRC' (Recording time)                             '2010-09-15'
'TIT2' (Title/songname/content description)         "I'll Be Long"
'TKEY' (Initial key)                                '7A'
'TMED' (Media type)                                 'Digital Media'
'TPE1' (Lead performer(s)/Soloist(s))               'OJM'
'TPE2' (Band/orchestra/accompaniment)               'OJM'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Go Down Records'
'TRCK' (Track number/Position in set)               '6/10'
'TSO2'                                              'OJM'
'TSOP' (Performer sort order)                       'OJM'
'TSRC' (ISRC (international standard recording code))  'DEBL60971852'
'TXXX:Acoustid Id'                                  '71ab71e5-3290-4654-ac8d-f2fd5b546bea'
'TXXX:Artists'                                      'OJM'
'TXXX:BARCODE'                                      '3661585505877'
'TXXX:MusicBrainz Album Artist Id'                  '47311d82-f23a-4215-ae98-69517d5feef1'
'TXXX:MusicBrainz Album Id'                         'e9d9c1a9-39fc-42f4-bbe6-3cc77de873f2'
'TXXX:MusicBrainz Album Release Country'            'XW'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '47311d82-f23a-4215-ae98-69517d5feef1'
'TXXX:MusicBrainz Release Group Id'                 'ead12a50-2390-4431-bb1a-81dc73153011'
'TXXX:MusicBrainz Release Track Id'                 'fe9e2d16-39f4-47ec-badf-cb8672c66778'
'TXXX:Q-BUSY'                                       '3'
'TXXX:Q-CHART'                                      '1'
'TXXX:Q-GRIT'                                       '3'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-MIXBEAT'                                    '2'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-PLAY'                                       '3'
'TXXX:Q-SYN'                                        '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['stoner rock', 'psychedelic rock', 'solos increibles', 'hard rock', 'italian']
'TXXX:originalyear'                                 '2010'
'TXXX:q-bass'                                       '4'
'TXXX:q-drums'                                      '3'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+0.49 dB'
'TXXX:replaygain_track_peak'                        '0.300792'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'0b6ee9ec-a08e-42b8-a78f-9a8e36dc6f04')

========================== row from database ==========================
                                              'id'  1506243
                                            'path'  /data/Music/Bulk/00poprockelectronic/ojm 2010 - volcano (320kbps)/06 i_ll be long.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  244
                                           'genre'  rock-cppex-psychedelic
                                        'filesize'  9920978
                                           'mtime'  1620737449
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic ojm 2010 volcano (320kbps) 06 i_ll be long rock cppex psychedelic
                                      'tag_artist'  OJM
                                     'tag_release'  Volcano
                                       'tag_title'  I'll Be Long
                                             'bpm'  137.1
                                    'search_title'  'be':4 'i':1 'ill':3 'll':2 'long':5
                                   'search_artist'  'ojm':1
                                  'search_release'  'volcano':1
                                     'search_rest'  '00poprockelectronic':1 '2010':3 '320kbps':5,6 'be':9 'cppex':12 'i':7 'll':8 'long':10 'ojm':2 'psychedelic':13 'rock':11 'volcano':4
                                    'search_combo'  '00poprockelectronic':8 '2010':10 '320kbps':12,13 'be':4A,16 'cppex':19 'i':1A,14 'ill':3A 'll':2A,15 'long':5A,17 'ojm':6B,9 'psychedelic':20 'rock':18 'volcano':7C,11
                                    'tag_tracknum'  6
                                      'num_images'  1
                                             'key'  7A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'Q-MIXBEAT-2', 'Q-OLDST-2', 'Q-GRIT-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-CHART-1', 'q-drums-3', 'Q-SYN-2', 'q-other-3', 'Q-BUSY-3', 'Q-HAP-3', 'Q-PLAY-3', 'q-bass-4']
                                      'lastfmtags'  ['stoner rock', 'psychedelic rock', 'solos increibles', 'hard rock', 'italian']
                                        'tag_date'  2010
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1620737448.9050198  (2021-05-11 14:50:48)
                             'size'  9920978