======================== unified (from filesystem) ========================
                                         'bitrate'  '173.056'
                                        'duration'  '252'
                                          'artist'  'Johnny Guitar Watson'
                                     'text_people'  ''
                                         'release'  'What The Hell is This'
                                           'title'  "I'ts All About The Dollar Bill"
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-UNU-1', 'Q-JZFKS-4', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['funk', 'blues', 'soul', '70s', 'guitar']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '8'
                                      'tracktotal'  '14'
                                            'date'  '1977'
                                        'comments'  ''
                                           'genre'  'funk or soul-funk'
                                             'bpm'  '102.1'
                                             'key'  '2A'
                                        'acoustid'  ''
rest: ''

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

'COMM:CDDB Disc ID:XXX'                             'CB10610E'
'TALB' (Album/Movie/Show title)                     'What The Hell is This'
'TBPM' (BPM (beats per minute))                     '102.1'
'TCON' (Content type, a.k.a. Genre)                 'funk or soul-funk'
'TDRC' (Recording time)                             '1977'
'TIT2' (Title/songname/content description)         "I'ts All About The Dollar Bill"
'TKEY' (Initial key)                                '2A'
'TPE1' (Lead performer(s)/Soloist(s))               'Johnny Guitar Watson'
'TRCK' (Track number/Position in set)               '8/14'
'TSSE' (Software/Hardware and settings used for encoding)  'Audiograbber 1.80, LAME dll 3.89, VBR 3, Stereo, High quality'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '4'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['funk', 'blues', 'soul', '70s', 'guitar']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.37 dB'
'TXXX:replaygain_track_peak'                        '0.712594'

========================== row from database ==========================
                                              'id'  1517082
                                            'path'  /data/Music/Bulk/00popandrock-swing-funk-soul/Johnny Guitar Watson/What The Hell is This/Johnny Guitar Watson - I_ts all About the Dollar Bill - 08.mp3
                                         'working'  None
                                         'bitrate'  173
                                    'duration_sec'  252
                                           'genre'  funk or soul-funk
                                        'filesize'  5469081
                                           'mtime'  1620665643
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock swing funk soul I_ts all the 08 funk or soul funk
                                      'tag_artist'  Johnny Guitar Watson
                                     'tag_release'  What The Hell is This
                                       'tag_title'  I'ts All About The Dollar Bill
                                             'bpm'  102.1
                                    'search_title'  'about':5 'all':4 'bill':8 'dollar':7 'i':1 'its':3 'the':6 'ts':2
                                   'search_artist'  'guitar':2 'johnny':1 'watson':3
                                  'search_release'  'hell':3 'is':4 'the':2 'this':5 'what':1
                                     'search_rest'  'all':6 'funk':2 'i':4 'or':8 'soul':3 'swing':1 'the':7 'ts':5
                                    'search_combo'  'about':5A 'all':4A,22 'bill':8A 'dollar':7A 'funk':18 'guitar':10B 'hell':14C 'i':1A,20 'is':15C 'its':3A 'johnny':9B 'or':24 'soul':19 'swing':17 'the':6A,13C,23 'this':16C 'ts':2A,21 'watson':11B 'what':12C
                                    'tag_tracknum'  8
                                      'num_images'  0
                                             'key'  2A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-4', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['funk', 'blues', 'soul', '70s', 'guitar']
                                        'tag_date'  1977
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620665643.4550722  (2021-05-10 18:54:03)
                             'size'  5469081