======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '188'
                                          'artist'  'Bo Diddley'
                                     'text_people'  ''
                                         'release'  'Jungle Music'
                                           'title'  'Say Man'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-OLDST-2', 'Q-HHRNBTT-2', 'Q-LOCALNESS-1', "
 "'Q-UNU-1', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['rock and roll', 'blues', 'rhythm and blues', 'soul', 'rock']"
                                     'discogstags'  "['blues', 'electric blues']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '18'
                                      'tracktotal'  ''
                                            'date'  '1994'
                                        'comments'  ''
                                           'genre'  'rock-pop-early-rocknroll'
                                             'bpm'  '123.181'
                                             'key'  '5B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Jungle Music'
'TBPM' (BPM (beats per minute))                     '123.181'
'TCON' (Content type, a.k.a. Genre)                 'rock-pop-early-rocknroll'
'TDRC' (Recording time)                             '1994'
'TIT2' (Title/songname/content description)         'Say Man'
'TKEY' (Initial key)                                '5B'
'TPE1' (Lead performer(s)/Soloist(s))               'Bo Diddley'
'TRCK' (Track number/Position in set)               '18'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '2'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['blues', 'electric blues']
'TXXX:lastfmtags'                                   ['rock and roll', 'blues', 'rhythm and blues', 'soul', 'rock']
'TXXX:original release date'                        ['1994', '1994']
'TXXX:q-bass'                                       '1'
'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'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.66 dB'
'TXXX:replaygain_track_peak'                        '0.607187'

========================== row from database ==========================
                                              'id'  1283523
                                            'path'  /data/Music/Bulk/00poprockelectronic/misc/Bo Diddley - Say Man.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  188
                                           'genre'  rock-pop-early-rocknroll
                                        'filesize'  3778432
                                           'mtime'  1622659501
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic misc rock pop early rocknroll
                                      'tag_artist'  Bo Diddley
                                     'tag_release'  Jungle Music
                                       'tag_title'  Say Man
                                             'bpm'  123.181
                                    'search_title'  'man':2 'say':1
                                   'search_artist'  'bo':1 'diddley':2
                                  'search_release'  'jungle':1 'music':2
                                     'search_rest'  '00poprockelectronic':1 'early':5 'misc':2 'pop':4 'rock':3 'rocknroll':6
                                    'search_combo'  '00poprockelectronic':7 'bo':3B 'diddley':4B 'early':11 'jungle':5C 'man':2A 'misc':8 'music':6C 'pop':10 'rock':9 'rocknroll':12 'say':1A
                                    'tag_tracknum'  18
                                      'num_images'  0
                                             'key'  5B
                                           'quals'  ['Q-HHRNBTT-2', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['rock and roll', 'blues', 'rhythm and blues', 'soul', 'rock']
                                        'tag_date'  1994
                                     'discogstags'  ['blues', 'electric blues']

============================== file details ==============================
                                           'mtime'  1622659501.4380095  (2021-06-02 20:45:01)
                             'size'  3778432