======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '213'
                                          'artist'  'Donny Hathaway'
                                     'text_people'  ''
                                         'release'  'Extensions Of A Man'
                                           'title'  'Valdez In the Country (Chicago Soul wa-wa gt.)'
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-1', 'Q-JZFKS-3', 'Q-HHRNBTT-2', 'Q-UNU-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-3', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['rnb', 'jazz', 'soul', 'funk', '70s']"
                                     'discogstags'  "['funk / soul']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  ''
                                            'date'  '1975'
                                        'comments'  ''
                                           'genre'  'funk or soul'
                                             'bpm'  '134.5'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'COMM::eng'                                         '                              '
'COMM:iTunNORM:eng'                                 (' 00000526 000006FD 00001BDD 00003051 0002BF65 0002BF4E 0000711D 00008000 '
 '0002E630 0002E647')
'TALB' (Album/Movie/Show title)                     'Extensions Of A Man'
'TBPM' (BPM (beats per minute))                     '134.5'
'TCON' (Content type, a.k.a. Genre)                 'funk or soul'
'TDRC' (Recording time)                             '1975'
'TIT2' (Title/songname/content description)         'Valdez In the Country (Chicago Soul wa-wa gt.)'
'TKEY' (Initial key)                                '6A'
'TLEN' (Length)                                     '213681'
'TPE1' (Lead performer(s)/Soloist(s))               'Donny Hathaway'
'TRCK' (Track number/Position in set)               '4'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '2'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'funk / soul'
'TXXX:lastfmtags'                                   ['rnb', 'jazz', 'soul', 'funk', '70s']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-5.24 dB'
'TXXX:replaygain_track_peak'                        '1.124011'

========================== row from database ==========================
                                              'id'  1531245
                                            'path'  /data/Music/Bulk/00popandrock-swing-funk-soul/EASY Instr 70_s/Donny Hathaway - Valdez In the Country (Chicago Soul wa-wa gt.).mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  213
                                           'genre'  funk or soul
                                        'filesize'  4276352
                                           'mtime'  1628357817
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock swing funk soul EASY Instr 70_s funk or soul
                                      'tag_artist'  Donny Hathaway
                                     'tag_release'  Extensions Of A Man
                                       'tag_title'  Valdez In the Country (Chicago Soul wa-wa gt.)
                                             'bpm'  134.5
                                    'search_title'  'chicago':5,6 'country':4 'gt':11,12 'in':2 'soul':7 'the':3 'valdez':1 'wa':8,9 'wawa':10
                                   'search_artist'  'donny':1 'hathaway':2
                                  'search_release'  'a':3 'extensions':1 'man':4 'of':2
                                     'search_rest'  '70':6 'easy':4 'funk':2 'instr':5 'or':8 's':7 'soul':3 'swing':1
                                    'search_combo'  '70':24 'a':17C 'chicago':5A,6A 'country':4A 'donny':13B 'easy':22 'extensions':15C 'funk':20 'gt':11A,12A 'hathaway':14B 'in':2A 'instr':23 'man':18C 'of':16C 'or':26 's':25 'soul':7A,21 'swing':19 'the':3A 'valdez':1A 'wa':8A,9A 'wawa':10A
                                    'tag_tracknum'  4
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-2', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-3', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-4', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['rnb', 'jazz', 'soul', 'funk', '70s']
                                        'tag_date'  1975
                                     'discogstags'  ['funk / soul']

============================== file details ==============================
                                           'mtime'  1628357816.5071778  (2021-08-07 19:36:56)
                             'size'  4276352