======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '221'
                                          'artist'  'Loituma'
                                     'text_people'  ''
                                         'release'  'Nordic Roots- A NorthSide Collection'
                                           'title'  'Eriskummainen Kantele'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', 'Q-JZFKS-1', "
 "'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['finnish folk', 'nordic folk', 'finnish', 'folk', 'kantele']"
                                     'discogstags'  "['pop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '6'
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'ifs-folk-rock'
                                             'bpm'  '144.438'
                                             'key'  '11B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Nordic Roots- A NorthSide Collection'
'TBPM' (BPM (beats per minute))                     '144.438'
'TCON' (Content type, a.k.a. Genre)                 'ifs-folk-rock'
'TIT2' (Title/songname/content description)         'Eriskummainen Kantele'
'TKEY' (Initial key)                                '11B'
'TPE1' (Lead performer(s)/Soloist(s))               'Loituma'
'TRCK' (Track number/Position in set)               '6'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'pop'
'TXXX:lastfmtags'                                   ['finnish folk', 'nordic folk', 'finnish', 'folk', 'kantele']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.60 dB'
'TXXX:replaygain_track_peak'                        '0.584056'

========================== row from database ==========================
                                              'id'  1534618
                                            'path'  /data/Music/Bulk/00poprockelectronic/Loituma - eriskummainen kantele - nordic roots- a northside collection.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  221
                                           'genre'  ifs-folk-rock
                                        'filesize'  4429650
                                           'mtime'  1637330746
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic eriskummainen kantele nordic roots northside collection ifs folk rock
                                      'tag_artist'  Loituma
                                     'tag_release'  Nordic Roots- A NorthSide Collection
                                       'tag_title'  Eriskummainen Kantele
                                             'bpm'  144.438
                                    'search_title'  'eriskummainen':1 'kantele':2
                                   'search_artist'  'loituma':1
                                  'search_release'  'a':4 'collection':6 'nordic':1 'north':7 'northside':5 'roots':2,3 'side':8
                                     'search_rest'  '00poprockelectronic':1 'collection':7 'eriskummainen':2 'folk':9 'ifs':8 'kantele':3 'nordic':4 'northside':6 'rock':10 'roots':5
                                    'search_combo'  '00poprockelectronic':12 'a':7C 'collection':9C,18 'eriskummainen':1A,13 'folk':20 'ifs':19 'kantele':2A,14 'loituma':3B 'nordic':4C,15 'north':10C 'northside':8C,17 'rock':21 'roots':5C,6C,16 'side':11C
                                    'tag_tracknum'  6
                                      'num_images'  0
                                             'key'  11B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['finnish folk', 'nordic folk', 'finnish', 'folk', 'kantele']
                                        'tag_date'  
                                     'discogstags'  ['pop']

============================== file details ==============================
                                           'mtime'  1637330745.8456607  (2021-11-19 15:05:45)
                             'size'  4429650