======================== unified (from filesystem) ========================
                                         'bitrate'  '256.0'
                                        'duration'  '270'
                                          'artist'  'Luna incostante'
                                     'text_people'  ''
                                         'release'  "Zarathustra's Revenge"
                                           'title'  'Sono un pesce'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-syn-2', 'q-bass-4', 'q-busy-3', "
 "'q-grit-2', 'q-play-3', 'Q-OLDST-2', 'q-chart-1', 'q-drums-3', 'q-other-3', "
 "'q-piano-1', 'q-vocals-3', 'Q-HHRNBTT-1', 'q-mixbeat-1', 'Q-LOCALNESS-2']")
                                      'lastfmtags'  ("['post-punk', 'progressive rock', 'new wave', 'italian progressive rock', "
 '"80\'s"]')
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '9'
                                      'tracktotal'  '11'
                                            'date'  '1997'
                                        'comments'  ''
                                           'genre'  'rock-cppex-progressive;set-pl-progspace'
                                             'bpm'  '85'
                                             'key'  '8A'
                                        'acoustid'  '4f2c62a2-5e1d-4b38-8f8d-5830288b397b'
rest: ''

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

'TALB' (Album/Movie/Show title)                     "Zarathustra's Revenge"
'TBPM' (BPM (beats per minute))                     '85'
'TCMP'                                              '1'
'TCON' (Content type, a.k.a. Genre)                 ['rock-cppex-progressive', 'set-pl-progspace']
'TDOR' (Original release time)                      '1997'
'TDRC' (Recording time)                             '1997'
'TIT2' (Title/songname/content description)         'Sono un pesce'
'TKEY' (Initial key)                                '8A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Luna incostante'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPOS' (Part of a set)                              '1/4'
'TPUB' (Publisher)                                  'Mellow Records'
'TRCK' (Track number/Position in set)               '9/11'
'TSO2'                                              'Various Artists'
'TSOP' (Performer sort order)                       'Luna incostante'
'TXXX:Acoustid Id'                                  '4f2c62a2-5e1d-4b38-8f8d-5830288b397b'
'TXXX:Artists'                                      'Luna incostante'
'TXXX:CATALOGNUMBER'                                'MMP 328 A/B/C/D'
'TXXX:MusicBrainz Album Artist Id'                  '89ad4ac3-39f7-470e-963a-56509c546377'
'TXXX:MusicBrainz Album Id'                         '06594af9-7b03-4523-9e1b-276d351f7a28'
'TXXX:MusicBrainz Album Release Country'            'IT'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album/compilation'
'TXXX:MusicBrainz Artist Id'                        '33ea58c9-5595-4cda-a4d5-5d3a5fa20e0c'
'TXXX:MusicBrainz Release Group Id'                 '0de2360b-8773-4586-9239-d4f53bb26c1b'
'TXXX:MusicBrainz Release Track Id'                 '861a7db0-a7ed-3627-827a-0789eab564bf'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '2'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:lastfmtags'                                   ['post-punk',
 'progressive rock',
 'new wave',
 'italian progressive rock',
 "80's"]
'TXXX:originalyear'                                 '1997'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.57 dB'
'TXXX:replaygain_track_peak'                        '0.514125'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'a01d7b1e-5563-4284-aa2c-8836ed983e54')

========================== row from database ==========================
                                              'id'  1416399
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/Algebra - Italian Prog Tribute/cd 1/109_-_luna_incostante_-(italy)_sono_un_pesce_(flea).mp3
                                         'working'  None
                                         'bitrate'  256
                                    'duration_sec'  270
                                           'genre'  rock-cppex-progressive;set-pl-progspace
                                        'filesize'  8667008
                                           'mtime'  1620736018
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy Algebra Italian Prog Tribute cd 1 109_ _luna_incostante_ (italy)_sono_un_pesce_(flea) rock cppex progressive;set pl progspace
                                      'tag_artist'  Luna incostante
                                     'tag_release'  Zarathustra's Revenge
                                       'tag_title'  Sono un pesce
                                             'bpm'  85.0
                                    'search_title'  'pesce':3 'sono':1 'un':2
                                   'search_artist'  'incostante':2 'luna':1
                                  'search_release'  'revenge':4 's':2 'zarathustra':1 'zarathustras':3
                                     'search_rest'  '1':7 '109':8 'algebra':2 'cd':6 'classicprogpsy':1 'cppex':22 'flea':15,20 'incostante':10 'italian':3 'italy':11,16 'luna':9 'pesce':14,19 'pl':27 'prog':4 'progressive':23,25 'progspace':28 'rock':21 'set':24,26 'sono':12,17 'tribute':5 'un':13,18
                                    'search_combo'  '1':16 '109':17 'algebra':11 'cd':15 'classicprogpsy':10 'cppex':31 'flea':24,29 'incostante':5B,19 'italian':12 'italy':20,25 'luna':4B,18 'pesce':3A,23,28 'pl':36 'prog':13 'progressive':32,34 'progspace':37 'revenge':9C 'rock':30 's':7C 'set':33,35 'sono':1A,21,26 'tribute':14 'un':2A,22,27 'zarathustra':6C 'zarathustras':8C
                                    'tag_tracknum'  9
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-1', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['post-punk', 'progressive rock', 'new wave', 'italian progressive rock', "80's"]
                                        'tag_date'  1997
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620736018.1953533  (2021-05-11 14:26:58)
                             'size'  8667008