======================== unified (from filesystem) ========================
                                         'bitrate'  '256.0'
                                        'duration'  '250'
                                          'artist'  "Aton's"
                                     'text_people'  ''
                                         'release'  "Zarathustra's Revenge"
                                           'title'  "Canzone per un'amica"
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-JZFKS-1', 'Q-LOCALNESS-2', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-1', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  ("['progressive rock', 'italian progressive rock', '80s', 'new wave', 'italian "
 "symphonic prog']")
                                     'discogstags'  "['prog rock', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '6'
                                      'tracktotal'  '12'
                                            'date'  '1997'
                                        'comments'  ''
                                           'genre'  'rock-cppex-progressive;set-pl-progspace'
                                             'bpm'  '105'
                                             'key'  '10B'
                                        'acoustid'  '68a38acf-265b-4a99-b091-19fbe4d3bd94'
rest: ''

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

'TALB' (Album/Movie/Show title)                     "Zarathustra's Revenge"
'TBPM' (BPM (beats per minute))                     '105'
'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)         "Canzone per un'amica"
'TKEY' (Initial key)                                '10B'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               "Aton's"
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPOS' (Part of a set)                              '2/4'
'TPUB' (Publisher)                                  'Mellow Records'
'TRCK' (Track number/Position in set)               '6/12'
'TSO2'                                              'Various Artists'
'TSOP' (Performer sort order)                       "Aton's"
'TXXX:Acoustid Id'                                  '68a38acf-265b-4a99-b091-19fbe4d3bd94'
'TXXX:Artists'                                      "Aton's"
'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'                        'e9071553-d369-4aad-ae14-dca90477168f'
'TXXX:MusicBrainz Release Group Id'                 '0de2360b-8773-4586-9239-d4f53bb26c1b'
'TXXX:MusicBrainz Release Track Id'                 '364b1b3e-1acd-3715-8afb-27ee7fa61f6e'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  ['prog rock', 'rock']
'TXXX:lastfmtags'                                   ['progressive rock',
 'italian progressive rock',
 '80s',
 'new wave',
 'italian symphonic prog']
'TXXX:originalyear'                                 '1997'
'TXXX:q-bass'                                       '3'
'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'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.73 dB'
'TXXX:replaygain_track_peak'                        '0.390744'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'3fddd1ff-f026-4a33-983f-7e250a8b4155')

========================== row from database ==========================
                                              'id'  1500560
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/Algebra - Italian Prog Tribute/cd 2/Zarathustra_s_Revenge_-_Italian_Prog_Tribute_Box_Set_-_206_-_Aton_s_(Italy)_-Canzone_Per_Un__Amica_(I_Nomadi)_.mp3
                                         'working'  None
                                         'bitrate'  256
                                    'duration_sec'  250
                                           'genre'  rock-cppex-progressive;set-pl-progspace
                                        'filesize'  8025959
                                           'mtime'  1620736020
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy Algebra Italian Prog Tribute cd 2 Zarathustra_s_Revenge_ _Italian_Prog_Tribute_Box_Set_ _206_ _Aton_s_(Italy)_ Canzone_Per_Un__Amica_(I_Nomadi)_ rock cppex progressive;set pl progspace
                                      'tag_artist'  Aton's
                                     'tag_release'  Zarathustra's Revenge
                                       'tag_title'  Canzone per un'amica
                                             'bpm'  105.0
                                    'search_title'  'amica':4 'canzone':1 'per':2 'un':3 'unamica':5
                                   'search_artist'  'aton':1 'atons':3 's':2
                                  'search_release'  'revenge':4 's':2 'zarathustra':1 'zarathustras':3
                                     'search_rest'  '2':7 '206':16 'algebra':2 'amica':26,32 'aton':17,20 'box':14 'canzone':23,29 'cd':6 'classicprogpsy':1 'cppex':36 'i':27,33 'italian':3,11 'italy':19,22 'nomadi':28,34 'per':24,30 'pl':41 'prog':4,12 'progressive':37,39 'progspace':42 'revenge':10 'rock':35 's':9,18,21 'set':15,38,40 'tribute':5,13 'un':25,31 'zarathustra':8
                                    'search_combo'  '2':19 '206':28 'algebra':14 'amica':4A,38,44 'aton':6B,29,32 'atons':8B 'box':26 'canzone':1A,35,41 'cd':18 'classicprogpsy':13 'cppex':48 'i':39,45 'italian':15,23 'italy':31,34 'nomadi':40,46 'per':2A,36,42 'pl':53 'prog':16,24 'progressive':49,51 'progspace':54 'revenge':12C,22 'rock':47 's':7B,10C,21,30,33 'set':27,50,52 'tribute':17,25 'un':3A,37,43 'unamica':5A 'zarathustra':9C,20 'zarathustras':11C
                                    'tag_tracknum'  6
                                      'num_images'  0
                                             'key'  10B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-1', 'q-other-3', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['progressive rock', 'italian progressive rock', '80s', 'new wave', 'italian symphonic prog']
                                        'tag_date'  1997
                                     'discogstags'  ['prog rock', 'rock']

============================== file details ==============================
                                           'mtime'  1620736019.835744  (2021-05-11 14:26:59)
                             'size'  8025959