======================== unified (from filesystem) ========================
                                         'bitrate'  '198.692'
                                        'duration'  '191'
                                          'artist'  'Electric Love'
                                     'text_people'  ''
                                         'release'  'Shirley & Spinoza'
                                           'title'  'Wichita Lineman'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-syn-3', 'q-bass-2', 'q-busy-3', "
 "'q-grit-2', 'q-play-3', 'Q-OLDST-2', 'q-chart-1', 'q-drums-1', 'q-other-4', "
 "'q-piano-1', 'q-vocals-1', 'Q-HHRNBTT-1', 'q-mixbeat-1', 'Q-LOCALNESS-1']")
                                      'lastfmtags'  "['garage rock', 'psychedelic', 'rock', 'psychedelic rock', 'punk']"
                                     'discogstags'  "['garage rock', 'psychedelic rock', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '07'
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'electronic-experimental-early;set-pl-shirleyspinoza;set-pl-mor'
                                             'bpm'  '127.284'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Shirley & Spinoza'
'TBPM' (BPM (beats per minute))                     '127.284'
'TCON' (Content type, a.k.a. Genre)                 ['electronic-experimental-early', 'set-pl-shirleyspinoza', 'set-pl-mor']
'TENC' (Encoded by)                                 'Tag&Rename 3.0.6'
'TIT2' (Title/songname/content description)         'Wichita Lineman'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Electric Love'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '07'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['garage rock', 'psychedelic rock', 'rock']
'TXXX:lastfmtags'                                   ['garage rock', 'psychedelic', 'rock', 'psychedelic rock', 'punk']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+8.06 dB'
'TXXX:replaygain_track_peak'                        '0.185825'

========================== row from database ==========================
                                              'id'  949050
                                            'path'  /data/Music/Bulk/sns/Electric Love - 07 - Wichita Lineman.mp3
                                         'working'  None
                                         'bitrate'  198
                                    'duration_sec'  191
                                           'genre'  electronic-experimental-early;set-pl-shirleyspinoza;set-pl-mor
                                        'filesize'  4763651
                                           'mtime'  1637329285
                                   'redo_metaread'  0
                                        'rest_str'   sns 07 electronic experimental early;set pl shirleyspinoza;set pl mor
                                      'tag_artist'  Electric Love
                                     'tag_release'  Shirley & Spinoza
                                       'tag_title'  Wichita Lineman
                                             'bpm'  127.284
                                    'search_title'  'lineman':2 'wichita':1
                                   'search_artist'  'electric':1 'love':2
                                  'search_release'  'shirley':1 'spinoza':2
                                     'search_rest'  'early':4,6 'electronic':2 'experimental':3 'mor':13 'pl':8 'set':5,7,10,12 'shirleyspinoza':9,11 'sns':1
                                    'search_combo'  'early':10,12 'electric':3B 'electronic':8 'experimental':9 'lineman':2A 'love':4B 'mor':19 'pl':14 'set':11,13,16,18 'shirley':5C 'shirleyspinoza':15,17 'sns':7 'spinoza':6C 'wichita':1A
                                    'tag_tracknum'  7
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-3', 'q-chart-1', 'q-other-4', 'Q-HAP-2', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['garage rock', 'psychedelic', 'rock', 'psychedelic rock', 'punk']
                                        'tag_date'  
                                     'discogstags'  ['garage rock', 'psychedelic rock', 'rock']

============================== file details ==============================
                                           'mtime'  1637329284.8384502  (2021-11-19 14:41:24)
                             'size'  4763651