======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '302'
                                          'artist'  'Garmarna'
                                     'text_people'  ''
                                         'release'  'Hildegard von Bingen'
                                           'title'  'Euchari'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-2', 'Q-HHRNBTT-1', 'Q-OLDST-3', "
 "'Q-LOCALNESS-3', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['swedish', 'folk rock', 'scandinavian folk', 'folk', 'medieval']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '01'
                                      'tracktotal'  ''
                                            'date'  '2001'
                                        'comments'  ''
                                           'genre'  'loc-eur-northern-sweden'
                                             'bpm'  '100.058'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Hildegard von Bingen'
'TBPM' (BPM (beats per minute))                     '100.058'
'TCON' (Content type, a.k.a. Genre)                 'loc-eur-northern-sweden'
'TDRC' (Recording time)                             '2001'
'TIT2' (Title/songname/content description)         'Euchari'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Garmarna'
'TRCK' (Track number/Position in set)               '01'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:lastfmtags'                                   ['swedish', 'folk rock', 'scandinavian folk', 'folk', 'medieval']
'TXXX:original release date'                        ['2001', '2001']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.34 dB'
'TXXX:replaygain_track_peak'                        '0.563172'

========================== row from database ==========================
                                              'id'  933119
                                            'path'  /data/Music/Bulk/00localcharacter/00mid-north-europe/00scandinavia/Garmarna/Hildegard Von Bingen/MBZ;#Garmarna;#Hildegard von Bingen;#01;#Euchari.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  302
                                           'genre'  loc-eur-northern-sweden
                                        'filesize'  7274335
                                           'mtime'  1621629424
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00mid north europe 00scandinavia Von MBZ;#Garmarna;#Hildegard Bingen;#01;#Euchari loc eur northern sweden
                                      'tag_artist'  Garmarna
                                     'tag_release'  Hildegard von Bingen
                                       'tag_title'  Euchari
                                             'bpm'  100.058
                                    'search_title'  'euchari':1
                                   'search_artist'  'garmarna':1
                                  'search_release'  'bingen':3 'hildegard':1 'von':2
                                     'search_rest'  '00mid':1 '00scandinavia':4 '01':13,16 'bingen':12,15 'euchari':14,17 'eur':19 'europe':3 'garmarna':7,10 'hildegard':8,11 'loc':18 'mbz':6,9 'north':2 'northern':20 'sweden':21 'von':5
                                    'search_combo'  '00mid':6 '00scandinavia':9 '01':18,21 'bingen':5C,17,20 'euchari':1A,19,22 'eur':24 'europe':8 'garmarna':2B,12,15 'hildegard':3C,13,16 'loc':23 'mbz':11,14 'north':7 'northern':25 'sweden':26 'von':4C,10
                                    'tag_tracknum'  1
                                      'num_images'  1
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['swedish', 'folk rock', 'scandinavian folk', 'folk', 'medieval']
                                        'tag_date'  2001
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621629424.2175548  (2021-05-21 22:37:04)
                             'size'  7274335