======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '188'
                                          'artist'  "Tiroler Holzhacker Bub'n"
                                     'text_people'  ''
                                         'release'  'Philips P 10037 R'
                                           'title'  'Feuerwehr Galop'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-1', 'q-busy-3', 'q-grit-1', 'q-play-2', "
 "'q-chart-1', 'q-drums-4', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1953'
                                        'comments'  ''
                                           'genre'  'prerock-instrumental'
                                             'bpm'  '92.433'
                                             'key'  '10B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Philips P 10037 R'
'TBPM' (BPM (beats per minute))                     '92.433'
'TCON' (Content type, a.k.a. Genre)                 'prerock-instrumental'
'TDRC' (Recording time)                             '1953'
'TIT2' (Title/songname/content description)         'Feuerwehr Galop'
'TKEY' (Initial key)                                '10B'
'TPE1' (Lead performer(s)/Soloist(s))               "Tiroler Holzhacker Bub'n"
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+1.28 dB'
'TXXX:replaygain_track_peak'                        '0.561230'

========================== row from database ==========================
                                              'id'  1520597
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1953/Tiroler Holzhacker Bub_n - Feuerwehr Galop 1953.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  188
                                           'genre'  prerock-instrumental
                                        'filesize'  3770162
                                           'mtime'  1621705412
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1953 Bub_n 1953 prerock instrumental
                                      'tag_artist'  Tiroler Holzhacker Bub'n
                                     'tag_release'  Philips P 10037 R
                                       'tag_title'  Feuerwehr Galop
                                             'bpm'  92.433
                                    'search_title'  'feuerwehr':1 'galop':2
                                   'search_artist'  'bub':3 'bubn':5 'holzhacker':2 'n':4 'tiroler':1
                                  'search_release'  '10037':3 'p':2 'philips':1 'r':4
                                     'search_rest'  '00oldiepop':5 '1953':6 'bub':7 'country':4 'exotica':2 'instrumental':10 'jazz':1 'n':8 'oldies':3 'prerock':9
                                    'search_combo'  '00oldiepop':16 '10037':10C '1953':17 'bub':5B,18 'bubn':7B 'country':15 'exotica':13 'feuerwehr':1A 'galop':2A 'holzhacker':4B 'instrumental':21 'jazz':12 'n':6B,19 'oldies':14 'p':9C 'philips':8C 'prerock':20 'r':11C 'tiroler':3B
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  10B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-1', 'q-chart-1', 'q-other-4', 'Q-HAP-3', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  []
                                        'tag_date'  1953
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621705412.0540156  (2021-05-22 19:43:32)
                             'size'  3770162