======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '294'
                                          'artist'  'Jimmy Thackery'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  "Blues 'fore Dawn"
                                           'quals'  ("['Q-UNU-1', 'Q-HAP-2', 'Q-JZFKS-2', 'Q-LOCALNESS-2', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['blues rock', 'blues', 'guitar', 'allboutguitar', 'blues guitarists']"
                                     'discogstags'  "['blues']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '2008'
                                        'comments'  ''
                                           'genre'  'prerock-jb-blues'
                                             'bpm'  '112.508'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '112.508'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-blues'
'TDRC' (Recording time)                             '2008'
'TIT2' (Title/songname/content description)         "Blues 'fore Dawn"
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Jimmy Thackery'
'TPE2' (Band/orchestra/accompaniment)               'Jimmy Thackery'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'blues'
'TXXX:lastfmtags'                                   ['blues rock', 'blues', 'guitar', 'allboutguitar', 'blues guitarists']
'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'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+10.22 dB'
'TXXX:replaygain_track_peak'                        '0.161032'

========================== row from database ==========================
                                              'id'  1497861
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/[loose files]/Jimmy Thackery - Blues _fore Dawn [].mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  294
                                           'genre'  prerock-jb-blues
                                        'filesize'  7070291
                                           'mtime'  1620403817
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted [loose files] _fore [] prerock jb blues
                                      'tag_artist'  Jimmy Thackery
                                     'tag_release'  None
                                       'tag_title'  Blues 'fore Dawn
                                             'bpm'  112.508
                                    'search_title'  'blues':1 'dawn':4 'fore':2,3
                                   'search_artist'  'jimmy':1 'thackery':2
                                  'search_release'  
                                     'search_rest'  '00poprockelectronic':1 'blues':10 'files':5,6 'fore':7 'jb':9 'loose':3,4 'prerock':8 'unsorted':2
                                    'search_combo'  '00poprockelectronic':7 'blues':1A,16 'dawn':4A 'files':11,12 'fore':2A,3A,13 'jb':15 'jimmy':5B 'loose':9,10 'prerock':14 'thackery':6B 'unsorted':8
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['blues rock', 'blues', 'guitar', 'allboutguitar', 'blues guitarists']
                                        'tag_date'  2008
                                     'discogstags'  ['blues']

============================== file details ==============================
                                           'mtime'  1620403816.8401582  (2021-05-07 18:10:16)
                             'size'  7070291