======================== unified (from filesystem) ========================
                                         'bitrate'  '224.219'
                                        'duration'  '252'
                                          'artist'  'Commodores'
                                     'text_people'  ''
                                         'release'  'Hits Vol. 2'
                                           'title'  'Zoom'
                                           'quals'  ("['Q-LOCALNESS-1', 'Q-HHRNBTT-2', 'Q-JZFKS-3', 'Q-UNU-1', 'Q-OLDST-2', "
 "'q-syn-2', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', "
 "'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-4', 'q-mixbeat-2']")
                                      'lastfmtags'  "['rnb', 'motown', 'soul', 'funk', '70s']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '6'
                                      'tracktotal'  ''
                                            'date'  '1975'
                                        'comments'  ''
                                           'genre'  'funk or soul;set-pl-billboard'
                                             'bpm'  '85.779'
                                             'key'  '2A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Hits Vol. 2'
'TBPM' (BPM (beats per minute))                     '85.779'
'TCON' (Content type, a.k.a. Genre)                 ['funk or soul', 'set-pl-billboard']
'TDRC' (Recording time)                             '1975'
'TIT2' (Title/songname/content description)         'Zoom'
'TKEY' (Initial key)                                '2A'
'TPE1' (Lead performer(s)/Soloist(s))               'Commodores'
'TRCK' (Track number/Position in set)               '6'
'TXXX:Q-HHRNBTT'                                    '2'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['rnb', 'motown', 'soul', 'funk', '70s']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.87 dB'
'TXXX:replaygain_track_peak'                        '0.686163'

========================== row from database ==========================
                                              'id'  1341297
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/[loose files]/06 Commodores - Zoom.mp3
                                         'working'  None
                                         'bitrate'  224
                                    'duration_sec'  252
                                           'genre'  funk or soul;set-pl-billboard
                                        'filesize'  7091699
                                           'mtime'  1652397929
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted [loose files] 06 funk soul;set pl billboard
                                      'tag_artist'  Commodores
                                     'tag_release'  Hits Vol. 2
                                       'tag_title'  Zoom
                                             'bpm'  85.779
                                    'search_title'  'zoom':1
                                   'search_artist'  'commodores':1
                                  'search_release'  '2':4 'hits':1 'vol':2,3
                                     'search_rest'  '00poprockelectronic':1 'billboard':13 'files':5,6 'funk':7 'loose':3,4 'pl':12 'set':9,11 'soul':8,10 'unsorted':2
                                    'search_combo'  '00poprockelectronic':7 '2':6C 'billboard':19 'commodores':2B 'files':11,12 'funk':13 'hits':3C 'loose':9,10 'pl':18 'set':15,17 'soul':14,16 'unsorted':8 'vol':4C,5C 'zoom':1A
                                    'tag_tracknum'  6
                                      'num_images'  0
                                             'key'  2A
                                           'quals'  ['Q-LOCALNESS-1', 'Q-HHRNBTT-2', 'Q-JZFKS-3', 'Q-UNU-1', 'Q-OLDST-2', 'q-syn-2', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-4', 'q-mixbeat-2']
                                      'lastfmtags'  ['rnb', 'motown', 'soul', 'funk', '70s']
                                        'tag_date'  1975
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1652397929.156105  (2022-05-13 01:25:29)
                             'size'  7091699