======================== unified (from filesystem) ========================
                                         'bitrate'  '150.298'
                                        'duration'  '160'
                                          'artist'  'Sandy Posey'
                                     'text_people'  ''
                                         'release'  '#1967'
                                           'title'  "I'll Take It Back"
                                           'quals'  ("['Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-SYN-1', 'Q-BUSY-3', 'Q-GRIT-2', "
 "'Q-MIXBEAT-2', 'Q-PLAY-2', 'Q-CHART-3', 'Q-LOCALNESS-1', 'q-bass-4', "
 "'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-4', 'Q-OLDST-2']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1967'
                                        'comments'  ''
                                           'genre'  'rock-unsorted'
                                             'bpm'  '126.3'
                                             'key'  '11B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     '#1967'
'TBPM' (BPM (beats per minute))                     '126.3'
'TCON' (Content type, a.k.a. Genre)                 'rock-unsorted'
'TDRC' (Recording time)                             '1967'
'TIT2' (Title/songname/content description)         "I'll Take It Back"
'TKEY' (Initial key)                                '11B'
'TPE1' (Lead performer(s)/Soloist(s))               'Sandy Posey'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TXXX:Q-BUSY'                                       '3'
'TXXX:Q-CHART'                                      '3'
'TXXX:Q-GRIT'                                       '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-MIXBEAT'                                    '2'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-PLAY'                                       '2'
'TXXX:Q-SYN'                                        '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:q-bass'                                       '4'
'TXXX:q-drums'                                      '3'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+3.18 dB'
'TXXX:replaygain_track_peak'                        '0.678054'

========================== row from database ==========================
                                              'id'  1539038
                                            'path'  /data/Music/Bulk/00poprockelectronic-poprock-indierock/1967/Sandy Posey - I'll Take It Back.mp3
                                         'working'  None
                                         'bitrate'  150
                                    'duration_sec'  160
                                           'genre'  rock-unsorted
                                        'filesize'  3011209
                                           'mtime'  1636912641
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic poprock indierock rock unsorted
                                      'tag_artist'  Sandy Posey
                                     'tag_release'  #1967
                                       'tag_title'  I'll Take It Back
                                             'bpm'  126.3
                                    'search_title'  'back':6 'i':1 'ill':3 'it':5 'll':2 'take':4
                                   'search_artist'  'posey':2 'sandy':1
                                  'search_release'  '1967':1,2
                                     'search_rest'  '00poprockelectronic':1 'indierock':3 'poprock':2 'rock':4 'unsorted':5
                                    'search_combo'  '00poprockelectronic':11 '1967':9C,10C 'back':6A 'i':1A 'ill':3A 'indierock':13 'it':5A 'll':2A 'poprock':12 'posey':8B 'rock':14 'sandy':7B 'take':4A 'unsorted':15
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  11B
                                           'quals'  ['Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-SYN-1', 'Q-BUSY-3', 'Q-GRIT-2', 'Q-MIXBEAT-2', 'Q-PLAY-2', 'Q-CHART-3', 'Q-LOCALNESS-1', 'q-bass-4', 'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-4', 'Q-OLDST-2']
                                      'lastfmtags'  []
                                        'tag_date'  1967
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636912640.626417  (2021-11-14 18:57:20)
                             'size'  3011209