======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '384'
                                          'artist'  'Saez'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  "J'veux M'en Aller"
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', 'q-syn-2', "
 "'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', 'q-drums-3', "
 "'q-other-3', 'q-piano-1', 'q-vocals-3', 'Q-HHRNBTT-1', 'q-mixbeat-2']")
                                      'lastfmtags'  "['french', 'rock', 'singer-songwriter', 'alternative', 'french rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '2008'
                                        'comments'  ''
                                           'genre'  'ifs-unsorted'
                                             'bpm'  '144.233'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '144.233'
'TCON' (Content type, a.k.a. Genre)                 'ifs-unsorted'
'TDRC' (Recording time)                             '2008'
'TIT2' (Title/songname/content description)         "J'veux M'en Aller"
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'Saez'
'TPE2' (Band/orchestra/accompaniment)               'Saez'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['french', 'rock', 'singer-songwriter', 'alternative', 'french rock']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.55 dB'
'TXXX:replaygain_track_peak'                        '0.381572'

========================== row from database ==========================
                                              'id'  1513361
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/[loose files]/Saez - J_veux M_en Aller [].mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  384
                                           'genre'  ifs-unsorted
                                        'filesize'  9224192
                                           'mtime'  1676053000
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted [loose files] J_veux M_en [] ifs unsorted
                                      'tag_artist'  Saez
                                     'tag_release'  None
                                       'tag_title'  J'veux M'en Aller
                                             'bpm'  144.233
                                    'search_title'  'aller':7 'en':5 'j':1 'jveux':3 'm':4 'men':6 'veux':2
                                   'search_artist'  'saez':1
                                  'search_release'  
                                     'search_rest'  '00poprockelectronic':1 'en':10 'files':5,6 'ifs':11 'j':7 'loose':3,4 'm':9 'unsorted':2 'veux':8
                                    'search_combo'  '00poprockelectronic':9 'aller':7A 'en':5A,18 'files':13,14 'ifs':19 'j':1A,15 'jveux':3A 'loose':11,12 'm':4A,17 'men':6A 'saez':8B 'unsorted':10 'veux':2A,16
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  10A
                                           'quals'  ['Q-HAP-2', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', 'Q-HHRNBTT-1', 'q-mixbeat-2']
                                      'lastfmtags'  ['french', 'rock', 'singer-songwriter', 'alternative', 'french rock']
                                        'tag_date'  2008
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1676053000.1565921  (2023-02-10 19:16:40)
                             'size'  9224192