======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '120'
                                          'artist'  'James Melton'
                                     'text_people'  ''
                                         'release'  'Brunswick Rejected'
                                           'title'  "Shortenin' Bread"
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'Q-PLAY-2', 'q-syn-1', 'q-bass-1', 'q-busy-3', 'q-grit-1', "
 "'q-chart-1', 'q-drums-1', 'q-other-1', 'q-vocals-4', 'q-mixbeat-1', "
 "'Q-PIANO-2']")
                                      'lastfmtags'  "['catchy', '1930s', '30s', 'old', 'ballad']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1934'
                                        'comments'  ''
                                           'genre'  'prerock-vocal'
                                             'bpm'  '110.003'
                                             'key'  '12B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Brunswick Rejected'
'TBPM' (BPM (beats per minute))                     '110.003'
'TCON' (Content type, a.k.a. Genre)                 'prerock-vocal'
'TDRC' (Recording time)                             '1934'
'TIT2' (Title/songname/content description)         "Shortenin' Bread"
'TKEY' (Initial key)                                '12B'
'TPE1' (Lead performer(s)/Soloist(s))               'James Melton'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-PIANO'                                      '2'
'TXXX:Q-PLAY'                                       '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['catchy', '1930s', '30s', 'old', 'ballad']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '1'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+2.39 dB'
'TXXX:replaygain_track_peak'                        '0.334411'

========================== row from database ==========================
                                              'id'  1504906
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1934/James Melton - Shortenin_ Bread 19-3-1934.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  120
                                           'genre'  prerock-vocal
                                        'filesize'  2410290
                                           'mtime'  1620666441
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1934 Shortenin_ 19 3 1934 prerock vocal
                                      'tag_artist'  James Melton
                                     'tag_release'  Brunswick Rejected
                                       'tag_title'  Shortenin' Bread
                                             'bpm'  110.003
                                    'search_title'  'bread':3 'shortenin':1,2
                                   'search_artist'  'james':1 'melton':2
                                  'search_release'  'brunswick':1 'rejected':2
                                     'search_rest'  '00oldiepop':5 '19':8 '1934':6 '3':9 'country':4 'exotica':2 'jazz':1 'oldies':3 'prerock':10 'shortenin':7 'vocal':11
                                    'search_combo'  '00oldiepop':12 '19':15 '1934':13 '3':16 'bread':3A 'brunswick':6C 'country':11 'exotica':9 'james':4B 'jazz':8 'melton':5B 'oldies':10 'prerock':17 'rejected':7C 'shortenin':1A,2A,14 'vocal':18
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  12B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-mixbeat-1', 'Q-PIANO-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-1', 'q-chart-1', 'q-other-1', 'Q-HAP-3', 'Q-PLAY-2', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  ['catchy', '1930s', '30s', 'old', 'ballad']
                                        'tag_date'  1934
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620666441.3406188  (2021-05-10 19:07:21)
                             'size'  2410290