======================== unified (from filesystem) ========================
                                         'bitrate'  '92.694'
                                        'duration'  '175'
                                          'artist'  'André Popp'
                                     'text_people'  ''
                                         'release'  'Elsa Popping et sa musique sidérante'
                                           'title'  'Adios muchachos'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-2', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-3', "
 "'Q-OLDST-2', 'q-syn-1', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['french', 'lounge', 'avant garde', 'illstreet', 'experimental']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '09'
                                      'tracktotal'  ''
                                            'date'  '1958'
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-lounge or exotica or bossa'
                                             'bpm'  '118.1'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Elsa Popping et sa musique sidérante'
'TBPM' (BPM (beats per minute))                     '118.1'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-jazz-lounge or exotica or bossa'
'TDRC' (Recording time)                             '1958'
'TIT2' (Title/songname/content description)         'Adios muchachos'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'André Popp'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '09'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['french', 'lounge', 'avant garde', 'illstreet', 'experimental']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+2.14 dB'
'TXXX:replaygain_track_peak'                        '0.607785'

========================== row from database ==========================
                                              'id'  745846
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/va - space age pop & mid century domestics (jingles & themes)/(1958) andré popp & boris vian - adios muchachos.mp3
                                         'working'  None
                                         'bitrate'  92
                                    'duration_sec'  175
                                           'genre'  prerock-jb-jazz-lounge or exotica or bossa
                                        'filesize'  2036626
                                           'mtime'  1620539231
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm va space age pop & mid century domestics (jingles & themes) (1958) andré popp & boris vian adios prerock jb jazz lounge or exotica or bossa
                                      'tag_artist'  André Popp
                                     'tag_release'  Elsa Popping et sa musique sidérante
                                       'tag_title'  Adios muchachos
                                             'bpm'  118.1
                                    'search_title'  'adios':1 'muchachos':2
                                   'search_artist'  'andre':1,2 'popp':3
                                  'search_release'  'elsa':1 'et':3 'musique':5 'popping':2 'sa':4 'siderante':6,7
                                     'search_rest'  '1958':12,13 'adios':19 'age':3 'andre':14,15 'boris':17 'bossa':26 'century':6 'domestics':7 'exotica':25 'jazz':22 'jb':21 'jingles':8,9 'lounge':23 'mid':5 'or':24 'pop':4 'popp':16 'prerock':20 'space':2 'themes':10,11 'va':1 'vian':18
                                    'search_combo'  '1958':24,25 'adios':1A,31 'age':15 'andre':3B,4B,26,27 'boris':29 'bossa':38 'century':18 'domestics':19 'elsa':6C 'et':8C 'exotica':37 'jazz':34 'jb':33 'jingles':20,21 'lounge':35 'mid':17 'muchachos':2A 'musique':10C 'or':36 'pop':16 'popp':5B,28 'popping':7C 'prerock':32 'sa':9C 'siderante':11C,12C 'space':14 'themes':22,23 'va':13 'vian':30
                                    'tag_tracknum'  9
                                      'num_images'  0
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-3', 'q-drums-1', 'q-syn-1', 'q-chart-1', 'q-other-4', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['french', 'lounge', 'avant garde', 'illstreet', 'experimental']
                                        'tag_date'  1958
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620539230.6237643  (2021-05-09 07:47:10)
                             'size'  2036626