======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '224'
                                          'artist'  'Acda en de Munnik'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Het regent zonnestralen'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-OLDST-3', 'Q-UNU-1', "
 "'Q-LOCALNESS-3', 'q-syn-2', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-3', 'q-drums-2', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  ("['nederlandstalig', 'pop', 'nederlands', 'dutch', 'nederpop', 'singer "
 "songwriter']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1995'
                                        'comments'  ''
                                           'genre'  'electronic-generic or radio-unsorted'
                                             'bpm'  '108.181'
                                             'key'  '9B'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '108.181'
'TCON' (Content type, a.k.a. Genre)                 'electronic-generic or radio-unsorted'
'TDRC' (Recording time)                             '1995'
'TIT2' (Title/songname/content description)         'Het regent zonnestralen'
'TKEY' (Initial key)                                '9B'
'TPE1' (Lead performer(s)/Soloist(s))               'Acda en de Munnik'
'TXXX:Mp3gain_album_minmax'                         '000,205'
'TXXX:Mp3gain_minmax'                               '099,183'
'TXXX:Mp3gain_undo'                                 '+003,+003,N'
'TXXX:Other'                                        '024'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['nederlandstalig',
 'pop',
 'nederlands',
 'dutch',
 'nederpop',
 'singer songwriter']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '2'
'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'                                     '4'
'TXXX:replaygain_track_gain'                        '-0.32 dB'
'TXXX:replaygain_track_peak'                        '0.600479'

========================== row from database ==========================
                                              'id'  1294633
                                            'path'  /data/Music/Bulk/00poprockelectronic/90s/024 - Acda en de Munnik - Het regent zonnestralen.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  224
                                           'genre'  electronic-generic or radio-unsorted
                                        'filesize'  3595051
                                           'mtime'  1621630108
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 90s 024 electronic generic or radio unsorted
                                      'tag_artist'  Acda en de Munnik
                                     'tag_release'  None
                                       'tag_title'  Het regent zonnestralen
                                             'bpm'  108.181
                                    'search_title'  'het':1 'regent':2 'zonnestralen':3
                                   'search_artist'  'acda':1 'de':3 'en':2 'munnik':4
                                  'search_release'  
                                     'search_rest'  '00poprockelectronic':1 '90s':2 'electronic':3 'generic':4 'or':5 'radio':6 'unsorted':7
                                    'search_combo'  '00poprockelectronic':8 '90s':9 'acda':4B 'de':6B 'electronic':10 'en':5B 'generic':11 'het':1A 'munnik':7B 'or':12 'radio':13 'regent':2A 'unsorted':14 'zonnestralen':3A
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  9B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-2', 'q-chart-3', 'q-other-3', 'Q-HAP-3', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['nederlandstalig', 'pop', 'nederlands', 'dutch', 'nederpop', 'singer songwriter']
                                        'tag_date'  1995
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621630108.3712387  (2021-05-21 22:48:28)
                             'size'  3595051