======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '191'
                                          'artist'  'st  louis jimmy oden'
                                     'text_people'  ''
                                         'release'  'The Roots Of Canned Heat'
                                           'title'  "goin' down slow"
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'q-syn-1', 'q-bass-1', 'q-busy-2', 'q-grit-2', "
 "'q-play-3', 'Q-JZFKS-3', 'Q-OLDST-1', 'Q-PIANO-3', 'q-chart-1', 'q-drums-1', "
 "'q-other-2', 'q-vocals-4', 'Q-HHRNBTT-1', 'q-mixbeat-1', 'Q-LOCALNESS-2']")
                                      'lastfmtags'  "['blues', 'jazz']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  ''
                                            'date'  '2000'
                                        'comments'  ''
                                           'genre'  'prerock-jb-blues'
                                             'bpm'  '145.371'
                                             'key'  '3A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'The Roots Of Canned Heat'
'TBPM' (BPM (beats per minute))                     '145.371'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-blues'
'TDRC' (Recording time)                             '2000'
'TIT2' (Title/songname/content description)         "goin' down slow"
'TKEY' (Initial key)                                '3A'
'TPE1' (Lead performer(s)/Soloist(s))               'st  louis jimmy oden'
'TRCK' (Track number/Position in set)               '3'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-PIANO'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['blues', 'jazz']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+2.33 dB'
'TXXX:replaygain_track_peak'                        '0.529669'
'TXXX:tracknum'                                     '03'

========================== row from database ==========================
                                              'id'  1516754
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/the roots of canned heat - va/03_st_ louis jimmy oden - goin_ down slow .mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  191
                                           'genre'  prerock-jb-blues
                                        'filesize'  7670425
                                           'mtime'  1620402833
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country the roots of canned heat va 03_st_ goin_ prerock jb blues
                                      'tag_artist'  st  louis jimmy oden
                                     'tag_release'  The Roots Of Canned Heat
                                       'tag_title'  goin' down slow
                                             'bpm'  145.371
                                    'search_title'  'down':3 'goin':1,2 'slow':4
                                   'search_artist'  'jimmy':3 'louis':2 'oden':4 'st':1
                                  'search_release'  'canned':4 'heat':5 'of':3 'roots':2 'the':1
                                     'search_rest'  '03':11 'blues':16 'canned':8 'country':4 'exotica':2 'goin':13 'heat':9 'jazz':1 'jb':15 'of':7 'oldies':3 'prerock':14 'roots':6 'st':12 'the':5 'va':10
                                    'search_combo'  '03':24 'blues':29 'canned':12C,21 'country':17 'down':3A 'exotica':15 'goin':1A,2A,26 'heat':13C,22 'jazz':14 'jb':28 'jimmy':7B 'louis':6B 'oden':8B 'of':11C,20 'oldies':16 'prerock':27 'roots':10C,19 'slow':4A 'st':5B,25 'the':9C,18 'va':23
                                    'tag_tracknum'  3
                                      'num_images'  0
                                             'key'  3A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-2', 'q-mixbeat-1', 'Q-PIANO-3', 'q-play-3', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-3', 'q-busy-2', 'q-drums-1', 'q-syn-1', 'q-chart-1', 'q-other-2', 'Q-HAP-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['blues', 'jazz']
                                        'tag_date'  2000
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620402833.0411134  (2021-05-07 17:53:53)
                             'size'  7670425