======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '102'
                                          'artist'  'Aavikko'
                                     'text_people'  ''
                                         'release'  'History Of Muysic'
                                           'title'  'Krakovan Niityt'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-OLDST-3', 'Q-LOCALNESS-1', "
 "'Q-HHRNBTT-1', 'Q-SYN-3', 'Q-BUSY-3', 'Q-GRIT-3', 'Q-PLAY-2', 'q-bass-3', "
 "'Q-CHART-2', 'q-drums-3', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'Q-MIXBEAT-1']")
                                      'lastfmtags'  "['instrumental', 'lo fi', 'electronic', 'finnish', 'synth']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '04'
                                      'tracktotal'  ''
                                            'date'  '2003'
                                        'comments'  ''
                                           'genre'  'electronic-unsorted'
                                             'bpm'  '114.1'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'COMM::eng'                                         'SER!'
'TALB' (Album/Movie/Show title)                     'History Of Muysic'
'TBPM' (BPM (beats per minute))                     '114.1'
'TCON' (Content type, a.k.a. Genre)                 'electronic-unsorted'
'TDRC' (Recording time)                             '2003'
'TIT2' (Title/songname/content description)         'Krakovan Niityt'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Aavikko'
'TRCK' (Track number/Position in set)               '04'
'TXXX:Q-BUSY'                                       '3'
'TXXX:Q-CHART'                                      '2'
'TXXX:Q-GRIT'                                       '3'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-MIXBEAT'                                    '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-PLAY'                                       '2'
'TXXX:Q-SYN'                                        '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['instrumental', 'lo fi', 'electronic', 'finnish', 'synth']
'TXXX:q-bass'                                       '3'
'TXXX:q-drums'                                      '3'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-8.32 dB'
'TXXX:replaygain_track_peak'                        '0.879501'

========================== row from database ==========================
                                              'id'  1478470
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/[2003] History Of Muysic/04-aavikko-krakovan_niityt-ser.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  102
                                           'genre'  electronic-unsorted
                                        'filesize'  2465674
                                           'mtime'  1621698078
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy [2003] 04 aavikko krakovan_niityt ser electronic unsorted
                                      'tag_artist'  Aavikko
                                     'tag_release'  History Of Muysic
                                       'tag_title'  Krakovan Niityt
                                             'bpm'  114.1
                                    'search_title'  'krakovan':1 'niityt':2
                                   'search_artist'  'aavikko':1
                                  'search_release'  'history':1 'muysic':3 'of':2
                                     'search_rest'  '2003':2,3 'aavikko':4 'classicprogpsy':1 'electronic':8 'krakovan':5 'niityt':6 'ser':7 'unsorted':9
                                    'search_combo'  '2003':8,9 'aavikko':3B,10 'classicprogpsy':7 'electronic':14 'history':4C 'krakovan':1A,11 'muysic':6C 'niityt':2A,12 'of':5C 'ser':13 'unsorted':15
                                    'tag_tracknum'  4
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'Q-MIXBEAT-1', 'Q-OLDST-3', 'Q-GRIT-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-CHART-2', 'q-drums-3', 'Q-SYN-3', 'q-other-4', 'Q-BUSY-3', 'Q-HAP-3', 'Q-PLAY-2', 'q-bass-3']
                                      'lastfmtags'  ['instrumental', 'lo fi', 'electronic', 'finnish', 'synth']
                                        'tag_date'  2003
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1621698077.9055195  (2021-05-22 17:41:17)
                             'size'  2465674