======================== unified (from filesystem) ========================
                                         'bitrate'  '230.84'
                                        'duration'  '44'
                                          'artist'  'Herbie Hancock'
                                     'text_people'  ''
                                         'release'  'DJ Spen - Spring Was For Lover'
                                           'title'  'Bring Down The Birds - Herbie'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-OLDST-2', 'Q-LOCALNESS-1', 'Q-JZFKS-1', "
 "'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['fusion', 'jazz', 'jazz fusion', 'piano', 'funk']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '6'
                                      'tracktotal'  ''
                                            'date'  '2010'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-indie-unsorted'
                                             'bpm'  '129.896'
                                             'key'  '4A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'DJ Spen - Spring Was For Lover'
'TBPM' (BPM (beats per minute))                     '129.896'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-indie-unsorted'
'TDRC' (Recording time)                             '2010'
'TIT2' (Title/songname/content description)         'Bring Down The Birds - Herbie'
'TKEY' (Initial key)                                '4A'
'TPE1' (Lead performer(s)/Soloist(s))               'Herbie Hancock'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '6'
'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:lastfmtags'                                   ['fusion', 'jazz', 'jazz fusion', 'piano', 'funk']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-1.10 dB'
'TXXX:replaygain_track_peak'                        '0.472659'

========================== row from database ==========================
                                              'id'  1318131
                                            'path'  /data/Music/Bulk/00poprockelectronic/DJ Spen - Spring Was For Lovers/06 Bring Down The Birds - Herbie.mp3
                                         'working'  None
                                         'bitrate'  230
                                    'duration_sec'  44
                                           'genre'  ifs-songwriter-indie-unsorted
                                        'filesize'  1280852
                                           'mtime'  1636402016
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Lovers 06 ifs songwriter indie unsorted
                                      'tag_artist'  Herbie Hancock
                                     'tag_release'  DJ Spen - Spring Was For Lover
                                       'tag_title'  Bring Down The Birds - Herbie
                                             'bpm'  129.896
                                    'search_title'  'birds':4 'bring':1 'down':2 'herbie':5 'the':3
                                   'search_artist'  'hancock':2 'herbie':1
                                  'search_release'  'dj':1 'for':5 'lover':6 'spen':2 'spring':3 'was':4
                                     'search_rest'  '00poprockelectronic':1 'ifs':3 'indie':5 'lovers':2 'songwriter':4 'unsorted':6
                                    'search_combo'  '00poprockelectronic':14 'birds':4A 'bring':1A 'dj':8C 'down':2A 'for':12C 'hancock':7B 'herbie':5A,6B 'ifs':16 'indie':18 'lover':13C 'lovers':15 'songwriter':17 'spen':9C 'spring':10C 'the':3A 'unsorted':19 'was':11C
                                    'tag_tracknum'  6
                                      'num_images'  0
                                             'key'  4A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-2', 'q-other-2', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['fusion', 'jazz', 'jazz fusion', 'piano', 'funk']
                                        'tag_date'  2010
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636402016.2416518  (2021-11-08 21:06:56)
                             'size'  1280852