======================== unified (from filesystem) ========================
                                         'bitrate'  '224.003'
                                        'duration'  '119'
                                          'artist'  'Black Eyed Peas'
                                     'text_people'  ''
                                         'release'  'DJ Spen - Spring Was For Lover'
                                           'title'  'Boom Boom Pow'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', 'Q-JZFKS-1', "
 "'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['rnb', 'hip hop', 'pop', 'rap']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  ''
                                            'date'  '2010'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-indie-unsorted'
                                             'bpm'  '130.314'
                                             'key'  '7A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'DJ Spen - Spring Was For Lover'
'TBPM' (BPM (beats per minute))                     '130.314'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-indie-unsorted'
'TDRC' (Recording time)                             '2010'
'TIT2' (Title/songname/content description)         'Boom Boom Pow'
'TKEY' (Initial key)                                '7A'
'TPE1' (Lead performer(s)/Soloist(s))               'Black Eyed Peas'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '2'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['rnb', 'hip hop', 'pop', 'rap']
'TXXX:q-bass'                                       '3'
'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'                                     '2'
'TXXX:replaygain_track_gain'                        '-2.02 dB'
'TXXX:replaygain_track_peak'                        '0.407794'

========================== row from database ==========================
                                              'id'  1288640
                                            'path'  /data/Music/Bulk/00poprockelectronic/DJ Spen - Spring Was For Lovers/02 Boom Boom Pow.mp3
                                         'working'  None
                                         'bitrate'  224
                                    'duration_sec'  119
                                           'genre'  ifs-songwriter-indie-unsorted
                                        'filesize'  3358297
                                           'mtime'  1636402016
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Lovers 02 ifs songwriter indie unsorted
                                      'tag_artist'  Black Eyed Peas
                                     'tag_release'  DJ Spen - Spring Was For Lover
                                       'tag_title'  Boom Boom Pow
                                             'bpm'  130.314
                                    'search_title'  'boom':1 'pow':2
                                   'search_artist'  'black':1 'eyed':2 'peas':3
                                  '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':12 'black':3B 'boom':1A 'dj':6C 'eyed':4B 'for':10C 'ifs':14 'indie':16 'lover':11C 'lovers':13 'peas':5B 'pow':2A 'songwriter':15 'spen':7C 'spring':8C 'unsorted':17 'was':9C
                                    'tag_tracknum'  2
                                      'num_images'  0
                                             'key'  7A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', '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-3', 'q-grit-2']
                                      'lastfmtags'  ['rnb', 'hip hop', 'pop', 'rap']
                                        'tag_date'  2010
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636402015.9762235  (2021-11-08 21:06:55)
                             'size'  3358297