======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '109'
                                          'artist'  'Magnus Ringblom'
                                     'text_people'  ''
                                         'release'  'Blue Night Bossa'
                                           'title'  'Relaxation Station'
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-2', 'Q-UNU-1', 'Q-JZFKS-2', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'Q-PLAY-2', 'q-syn-2', 'q-bass-4', 'q-busy-2', 'q-grit-1', "
 "'Q-PIANO-4', 'q-chart-2', 'q-drums-1', 'q-other-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['lo fi', 'chill', 'instrumental hiphop', 'ambient']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-unsorted'
                                             'bpm'  '109.9'
                                             'key'  '4A'
                                        'acoustid'  ''
rest: ''

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

'APIC:e'                                            type PictureType.COVER_FRONT (Cover (front)) b'e'
                                     
'TALB' (Album/Movie/Show title)                     'Blue Night Bossa'
'TBPM' (BPM (beats per minute))                     '109.9'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-jazz-unsorted'
'TIT2' (Title/songname/content description)         'Relaxation Station'
'TKEY' (Initial key)                                '4A'
'TPE1' (Lead performer(s)/Soloist(s))               'Magnus Ringblom'
'TRCK' (Track number/Position in set)               '4'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-PIANO'                                      '4'
'TXXX:Q-PLAY'                                       '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['lo fi', 'chill', 'instrumental hiphop', 'ambient']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '1'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.02 dB'
'TXXX:replaygain_track_peak'                        '0.624134'

========================== row from database ==========================
                                              'id'  1262477
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/Magnus Ringblom – Blue Night Bossa/4-Relaxation Station.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  109
                                           'genre'  prerock-jb-jazz-unsorted
                                        'filesize'  2227956
                                           'mtime'  1620573996
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country – 4 prerock jb jazz unsorted
                                      'tag_artist'  Magnus Ringblom
                                     'tag_release'  Blue Night Bossa
                                       'tag_title'  Relaxation Station
                                             'bpm'  109.9
                                    'search_title'  'relaxation':1 'station':2
                                   'search_artist'  'magnus':1 'ringblom':2
                                  'search_release'  'blue':1 'bossa':3 'night':2
                                     'search_rest'  '4':5 'country':4 'exotica':2 'jazz':1 'jb':7 'oldies':3 'prerock':6 'unsorted':8
                                    'search_combo'  '4':12 'blue':5C 'bossa':7C 'country':11 'exotica':9 'jazz':8 'jb':14 'magnus':3B 'night':6C 'oldies':10 'prerock':13 'relaxation':1A 'ringblom':4B 'station':2A 'unsorted':15
                                    'tag_tracknum'  4
                                      'num_images'  1
                                             'key'  4A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-2', 'q-mixbeat-1', 'Q-PIANO-4', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-2', 'q-drums-1', 'q-syn-2', 'q-chart-2', 'q-other-1', 'Q-HAP-3', 'Q-PLAY-2', 'q-bass-4', 'q-grit-1']
                                      'lastfmtags'  ['lo fi', 'chill', 'instrumental hiphop', 'ambient']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620573995.8444943  (2021-05-09 17:26:35)
                             'size'  2227956