======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '222'
                                          'artist'  'Eddie Peabody'
                                     'text_people'  ''
                                         'release'  '20s and 30s popular'
                                           'title'  'Poet and peasant overture'
                                           'quals'  ("['Q-JZFKS-3', 'Q-LOCALNESS-2', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-OLDST-1', "
 "'Q-PLAY-2', 'q-syn-1', 'q-bass-1', 'q-busy-2', 'q-grit-1', 'q-chart-2', "
 "'q-drums-1', 'q-other-4', 'q-vocals-1', 'q-mixbeat-1', 'Q-PIANO-2']")
                                      'lastfmtags'  "['banjo virtuoso', 'jazz', 'banjo', 'dixieland', 'standards']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1925'
                                        'comments'  ''
                                           'genre'  'prerock-unsorted'
                                             'bpm'  '144.645'
                                             'key'  '8B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     '20s and 30s popular'
'TBPM' (BPM (beats per minute))                     '144.645'
'TCON' (Content type, a.k.a. Genre)                 'prerock-unsorted'
'TDRC' (Recording time)                             '1925'
'TIT2' (Title/songname/content description)         'Poet and peasant overture'
'TKEY' (Initial key)                                '8B'
'TLEN' (Length)                                     '222589'
'TPE1' (Lead performer(s)/Soloist(s))               'Eddie Peabody'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-PIANO'                                      '2'
'TXXX:Q-PLAY'                                       '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['banjo virtuoso', 'jazz', 'banjo', 'dixieland', 'standards']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+2.26 dB'
'TXXX:replaygain_track_peak'                        '0.573090'

========================== row from database ==========================
                                              'id'  1153280
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1920s and 1930s popular/Eddie Peabody - Poet and Peasant Oveture {banjo} 1925.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  222
                                           'genre'  prerock-unsorted
                                        'filesize'  3563520
                                           'mtime'  1620385333
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1920s 1930s Peasant Oveture {banjo} 1925 prerock unsorted
                                      'tag_artist'  Eddie Peabody
                                     'tag_release'  20s and 30s popular
                                       'tag_title'  Poet and peasant overture
                                             'bpm'  144.645
                                    'search_title'  'and':2 'overture':4 'peasant':3 'poet':1
                                   'search_artist'  'eddie':1 'peabody':2
                                  'search_release'  '20s':1 '30s':3 'and':2 'popular':4
                                     'search_rest'  '00oldiepop':5 '1920s':6 '1925':11 '1930s':7 'banjo':10 'country':4 'exotica':2 'jazz':1 'oldies':3 'oveture':9 'peasant':8 'prerock':12 'unsorted':13
                                    'search_combo'  '00oldiepop':15 '1920s':16 '1925':21 '1930s':17 '20s':7C '30s':9C 'and':2A,8C 'banjo':20 'country':14 'eddie':5B 'exotica':12 'jazz':11 'oldies':13 'overture':4A 'oveture':19 'peabody':6B 'peasant':3A,18 'poet':1A 'popular':10C 'prerock':22 'unsorted':23
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  8B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-2', 'q-mixbeat-1', 'Q-PIANO-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-3', 'q-busy-2', 'q-drums-1', 'q-syn-1', 'q-chart-2', 'q-other-4', 'Q-PLAY-2', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  ['banjo virtuoso', 'jazz', 'banjo', 'dixieland', 'standards']
                                        'tag_date'  1925
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620385333.1715372  (2021-05-07 13:02:13)
                             'size'  3563520