======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '104'
                                          'artist'  'Fred Bongusto'
                                     'text_people'  ''
                                         'release'  'Italian Cinema Lounge'
                                           'title'  'Un Detective'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-3', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-2', 'q-bass-4', 'q-busy-2', 'q-grit-1', 'q-play-2', "
 "'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['soundtrack', 'lounge', 'easy listening', '60s', 'italian']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '17'
                                      'tracktotal'  '19'
                                            'date'  '1999'
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-lounge or exotica or bossa'
                                             'bpm'  '126'
                                             'key'  '9B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Italian Cinema Lounge'
'TBPM' (BPM (beats per minute))                     '126'
'TCMP'                                              '1'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-jazz-lounge or exotica or bossa'
'TDOR' (Original release time)                      '1999'
'TDRC' (Recording time)                             '1999'
'TIT2' (Title/songname/content description)         'Un Detective'
'TKEY' (Initial key)                                '9B'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Fred Bongusto'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Easy Tempo'
'TRCK' (Track number/Position in set)               '17/19'
'TSO2'                                              'Various Artists'
'TSOP' (Performer sort order)                       'Bongusto, Fred'
'TXXX:ASIN'                                         'B00002846J'
'TXXX:Artists'                                      'Fred Bongusto'
'TXXX:BARCODE'                                      '8019991155158'
'TXXX:CATALOGNUMBER'                                'ET 915 CD'
'TXXX:MusicBrainz Album Artist Id'                  '89ad4ac3-39f7-470e-963a-56509c546377'
'TXXX:MusicBrainz Album Id'                         'af1a96fb-7dbc-4f28-8068-caffcc8c72ef'
'TXXX:MusicBrainz Album Release Country'            'IT'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album/compilation'
'TXXX:MusicBrainz Artist Id'                        '027f5b4c-3a87-4480-96c5-38e4a4b56d9c'
'TXXX:MusicBrainz Release Group Id'                 '8eab3b00-5b95-30c0-9356-b0e3f4326a0c'
'TXXX:MusicBrainz Release Track Id'                 'ed129adf-2be6-3328-8fe8-cfeaf0be3edd'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:lastfmtags'                                   ['soundtrack', 'lounge', 'easy listening', '60s', 'italian']
'TXXX:originalyear'                                 '1999'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.35 dB'
'TXXX:replaygain_track_peak'                        '0.553249'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'7011e5f5-38d6-4b3f-b281-5a9f28ae320d')

========================== row from database ==========================
                                              'id'  725845
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/italian cinema lounge/fred bongusto - un detective.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  104
                                           'genre'  prerock-jb-jazz-lounge or exotica or bossa
                                        'filesize'  1703848
                                           'mtime'  1620537592
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country italian cinema lounge fred bongusto detective prerock jb jazz lounge or exotica or bossa
                                      'tag_artist'  Fred Bongusto
                                     'tag_release'  Italian Cinema Lounge
                                       'tag_title'  Un Detective
                                             'bpm'  126.0
                                    'search_title'  'detective':2 'un':1
                                   'search_artist'  'bongusto':2 'fred':1
                                  'search_release'  'cinema':2 'italian':1 'lounge':3
                                     'search_rest'  'bongusto':9 'bossa':14 'cinema':6 'country':4 'detective':10 'exotica':2 'fred':8 'italian':5 'jazz':1 'jb':12 'lounge':7 'oldies':3 'or':13 'prerock':11
                                    'search_combo'  'bongusto':4B,16 'bossa':21 'cinema':6C,13 'country':11 'detective':2A,17 'exotica':9 'fred':3B,15 'italian':5C,12 'jazz':8 'jb':19 'lounge':7C,14 'oldies':10 'or':20 'prerock':18 'un':1A
                                    'tag_tracknum'  17
                                      'num_images'  1
                                             'key'  9B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-3', 'q-busy-2', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-1']
                                      'lastfmtags'  ['soundtrack', 'lounge', 'easy listening', '60s', 'italian']
                                        'tag_date'  1999
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620537591.8735974  (2021-05-09 07:19:51)
                             'size'  1703848