======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '396'
                                          'artist'  'Commodores'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Three Times A Lady'
                                           'quals'  ("['Q-HAP-4', 'Q-LOCALNESS-1', 'Q-HHRNBTT-2', 'Q-JZFKS-3', 'Q-UNU-1', "
 "'Q-OLDST-2', 'Q-PLAY-3', 'q-syn-3', 'q-bass-3', 'q-busy-3', 'q-grit-1', "
 "'q-chart-2', 'q-drums-2', 'q-other-2', 'q-vocals-4', 'q-mixbeat-3', "
 "'Q-PIANO-2']")
                                      'lastfmtags'  "['rnb', 'motown', 'soul', 'funk', '70s']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1980'
                                        'comments'  ''
                                           'genre'  'electronic-we-disco or italo;funk or soul'
                                             'bpm'  '142.5'
                                             'key'  '4B'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '142.5'
'TCON' (Content type, a.k.a. Genre)                 ['electronic-we-disco or italo', 'funk or soul']
'TDRC' (Recording time)                             '1980'
'TIT2' (Title/songname/content description)         'Three Times A Lady'
'TKEY' (Initial key)                                '4B'
'TPE1' (Lead performer(s)/Soloist(s))               'Commodores'
'TXXX:Mp3gain_minmax'                               '000,192'
'TXXX:Q-HAP'                                        '4'
'TXXX:Q-HHRNBTT'                                    '2'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-PIANO'                                      '2'
'TXXX:Q-PLAY'                                       '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['rnb', 'motown', 'soul', 'funk', '70s']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+2.21 dB'
'TXXX:replaygain_track_peak'                        '0.926388'

========================== row from database ==========================
                                              'id'  1523304
                                            'path'  /data/Music/Bulk/00poprockelectronic/Disco 70_s 80_s/Commodores - Three Times A Lady.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  396
                                           'genre'  electronic-we-disco or italo;funk or soul
                                        'filesize'  6349049
                                           'mtime'  1620537453
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Disco 70_s 80_s electronic we disco italo;funk soul
                                      'tag_artist'  Commodores
                                     'tag_release'  None
                                       'tag_title'  Three Times A Lady
                                             'bpm'  142.5
                                    'search_title'  'a':3 'lady':4 'three':1 'times':2
                                   'search_artist'  'commodores':1
                                  'search_release'  
                                     'search_rest'  '00poprockelectronic':1 '70':3 '80':5 'disco':2 'electronic':7 'funk':10,12 'italo':9,11 's':4,6 'soul':13 'we':8
                                    'search_combo'  '00poprockelectronic':6 '70':8 '80':10 'a':3A 'commodores':5B 'disco':7 'electronic':12 'funk':15,17 'italo':14,16 'lady':4A 's':9,11 'soul':18 'three':1A 'times':2A 'we':13
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  4B
                                           'quals'  ['Q-HHRNBTT-2', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-mixbeat-3', 'Q-PIANO-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-3', 'q-busy-3', 'q-drums-2', 'q-syn-3', 'q-chart-2', 'q-other-2', 'Q-HAP-4', 'Q-PLAY-3', 'q-bass-3', 'q-grit-1']
                                      'lastfmtags'  ['rnb', 'motown', 'soul', 'funk', '70s']
                                        'tag_date'  1980
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620537452.5177584  (2021-05-09 07:17:32)
                             'size'  6349049