======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '160'
                                          'artist'  'Crown Heights Affair'
                                     'text_people'  ''
                                         'release'  'RCA 10018'
                                           'title'  "Streaking (alt. '74)"
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-JZFKS-3', 'Q-UNU-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['disco funk', 'soul', 'funk', 'disco']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1974'
                                        'comments'  ''
                                           'genre'  'funk or soul'
                                             'bpm'  '127.2'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'PRIV:Amadeus II 3.5:pdat\x00\x00\x00\x1cAHCGDGCHAAAAAAGAAACPPDAIAAAA'  PRIV(owner='Amadeus II 3.5', data=b'pdat\x00\x00\x00\x1cAHCGDGCHAAAAAAGAAACPPDAIAAAA')
'TALB' (Album/Movie/Show title)                     'RCA 10018'
'TBPM' (BPM (beats per minute))                     '127.2'
'TCON' (Content type, a.k.a. Genre)                 'funk or soul'
'TDRC' (Recording time)                             '1974'
'TENC' (Encoded by)                                 'Amadeus II'
'TIT2' (Title/songname/content description)         "Streaking (alt. '74)"
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'Crown Heights Affair'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['disco funk', 'soul', 'funk', 'disco']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-4.44 dB'
'TXXX:replaygain_track_peak'                        '0.752501'

========================== row from database ==========================
                                              'id'  1527671
                                            'path'  /data/Music/Bulk/00popandrock-swing-funk-soul/EASY Instr 70_s/Crown Heights Affair - Streaking (alt. _74).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  160
                                           'genre'  funk or soul
                                        'filesize'  3853232
                                           'mtime'  1628357809
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock swing funk soul EASY Instr 70_s _74) funk or soul
                                      'tag_artist'  Crown Heights Affair
                                     'tag_release'  RCA 10018
                                       'tag_title'  Streaking (alt. '74)
                                             'bpm'  127.2
                                    'search_title'  '74':4,5 'alt':2,3 'streaking':1
                                   'search_artist'  'affair':3 'crown':1 'heights':2
                                  'search_release'  '10018':2 'rca':1
                                     'search_rest'  '70':6 '74':8,9 'easy':4 'funk':2 'instr':5 'or':10 's':7 'soul':3 'swing':1
                                    'search_combo'  '10018':10C '70':16 '74':4A,5A,18,19 'affair':8B 'alt':2A,3A 'crown':6B 'easy':14 'funk':12 'heights':7B 'instr':15 'or':20 'rca':9C 's':17 'soul':13 'streaking':1A 'swing':11
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-3', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['disco funk', 'soul', 'funk', 'disco']
                                        'tag_date'  1974
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1628357809.1063607  (2021-08-07 19:36:49)
                             'size'  3853232