======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '243'
                                          'artist'  'Freddie Jackson'
                                     'text_people'  ''
                                         'release'  'P4 Sommerminner'
                                           'title'  'Rock Me Tonight (For Old Times Sake)'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-2', 'Q-UNU-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-3', 'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['80s', 'rnb', 'soul', 'quiet storm']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '17'
                                      'tracktotal'  ''
                                            'date'  '1985'
                                        'comments'  ''
                                           'genre'  'funk or soul'
                                             'bpm'  '143.823'
                                             'key'  '4A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'P4 Sommerminner'
'TBPM' (BPM (beats per minute))                     '143.823'
'TCON' (Content type, a.k.a. Genre)                 'funk or soul'
'TDRC' (Recording time)                             '1985'
'TIT2' (Title/songname/content description)         'Rock Me Tonight (For Old Times Sake)'
'TKEY' (Initial key)                                '4A'
'TPE1' (Lead performer(s)/Soloist(s))               'Freddie Jackson'
'TRCK' (Track number/Position in set)               '17'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '2'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['80s', 'rnb', 'soul', 'quiet storm']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.95 dB'
'TXXX:replaygain_track_peak'                        '0.503321'

========================== row from database ==========================
                                              'id'  1332533
                                            'path'  /data/Music/Bulk/00poprockelectronic/1985 complete/165-A Freddie Jackson - Rock Me Tonight (single version).mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  243
                                           'genre'  funk or soul
                                        'filesize'  9744260
                                           'mtime'  1628357914
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 1985 complete 165 A (single version) funk soul
                                      'tag_artist'  Freddie Jackson
                                     'tag_release'  P4 Sommerminner
                                       'tag_title'  Rock Me Tonight (For Old Times Sake)
                                             'bpm'  143.823
                                    'search_title'  'for':4,5 'me':2 'old':6 'rock':1 'sake':8,9 'times':7 'tonight':3
                                   'search_artist'  'freddie':1 'jackson':2
                                  'search_release'  'p4':1 'sommerminner':2
                                     'search_rest'  '00poprockelectronic':1 '165':4 '1985':2 'a':5 'complete':3 'funk':10 'single':6,7 'soul':11 'version':8,9
                                    'search_combo'  '00poprockelectronic':14 '165':17 '1985':15 'a':18 'complete':16 'for':4A,5A 'freddie':10B 'funk':23 'jackson':11B 'me':2A 'old':6A 'p4':12C 'rock':1A 'sake':8A,9A 'single':19,20 'sommerminner':13C 'soul':24 'times':7A 'tonight':3A 'version':21,22
                                    'tag_tracknum'  17
                                      'num_images'  0
                                             'key'  4A
                                           'quals'  ['Q-HHRNBTT-2', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-3', 'q-other-2', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['80s', 'rnb', 'soul', 'quiet storm']
                                        'tag_date'  1985
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1628357914.4728928  (2021-08-07 19:38:34)
                             'size'  9744260