======================== unified (from filesystem) ========================
                                         'bitrate'  '193.566'
                                        'duration'  '490'
                                          'artist'  'Sigur Rós'
                                     'text_people'  ''
                                         'release'  'Ágætis byrjun'
                                           'title'  'Ný batterí'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-OLDST-3', "
 "'Q-LOCALNESS-1', 'q-syn-3', 'q-bass-4', 'q-busy-2', 'q-grit-2', 'q-play-2', "
 "'q-chart-4', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['indie', 'alternative', 'icelandic', 'post rock', 'ambient']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '5'
                                      'tracktotal'  ''
                                            'date'  '1999'
                                        'comments'  ''
                                           'genre'  'electronic-ambient'
                                             'bpm'  '144.438'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Ágætis byrjun'
'TBPM' (BPM (beats per minute))                     '144.438'
'TCON' (Content type, a.k.a. Genre)                 'electronic-ambient'
'TDRC' (Recording time)                             '1999'
'TIT2' (Title/songname/content description)         'Ný batterí'
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'Sigur Rós'
'TRCK' (Track number/Position in set)               '5'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['indie', 'alternative', 'icelandic', 'post rock', 'ambient']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+0.08 dB'
'TXXX:replaygain_track_peak'                        '0.507373'

========================== row from database ==========================
                                              'id'  1379376
                                            'path'  /data/Music/Bulk/00poprockelectronic/00ambient/Sigur Rós - Sigur Ros/05 - Ny Batteri.mp3
                                         'working'  None
                                         'bitrate'  193
                                    'duration_sec'  490
                                           'genre'  electronic-ambient
                                        'filesize'  11865483
                                           'mtime'  1636910818
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 00ambient Ros 05 Ny Batteri electronic ambient
                                      'tag_artist'  Sigur Rós
                                     'tag_release'  Ágætis byrjun
                                       'tag_title'  Ný batterí
                                             'bpm'  144.438
                                    'search_title'  'batteri':3,4 'ny':1,2
                                   'search_artist'  'ros':2,3 'sigur':1
                                  'search_release'  'agaetis':2 'agætis':1 'byrjun':3
                                     'search_rest'  '00ambient':2 '00poprockelectronic':1 'ambient':7 'batteri':5 'electronic':6 'ny':4 'ros':3
                                    'search_combo'  '00ambient':12 '00poprockelectronic':11 'agaetis':9C 'agætis':8C 'ambient':17 'batteri':3A,4A,15 'byrjun':10C 'electronic':16 'ny':1A,2A,14 'ros':6B,7B,13 'sigur':5B
                                    'tag_tracknum'  5
                                      'num_images'  0
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-3', 'q-syn-3', 'q-chart-4', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'alternative', 'icelandic', 'post rock', 'ambient']
                                        'tag_date'  1999
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636910818.335538  (2021-11-14 18:26:58)
                             'size'  11865483