======================== unified (from filesystem) ========================
                                         'bitrate'  '231.687'
                                        'duration'  '117'
                                          'artist'  'Fischerspooner'
                                     'text_people'  ''
                                         'release'  'DJ Spen - Spring Was For Lover'
                                           'title'  'Emerge (Dave Clarke Remix)'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-OLDST-3', 'Q-LOCALNESS-1', 'Q-JZFKS-1', "
 "'Q-HHRNBTT-1', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-3', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['electronica', 'electroclash', 'electronic', 'electro', 'synthpop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '13'
                                      'tracktotal'  ''
                                            'date'  '2010'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-indie-unsorted'
                                             'bpm'  '130.146'
                                             'key'  '4A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'DJ Spen - Spring Was For Lover'
'TBPM' (BPM (beats per minute))                     '130.146'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-indie-unsorted'
'TDRC' (Recording time)                             '2010'
'TIT2' (Title/songname/content description)         'Emerge (Dave Clarke Remix)'
'TKEY' (Initial key)                                '4A'
'TPE1' (Lead performer(s)/Soloist(s))               'Fischerspooner'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '13'
'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'                                   ['electronica', 'electroclash', 'electronic', 'electro', 'synthpop']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-1.41 dB'
'TXXX:replaygain_track_peak'                        '0.541222'

========================== row from database ==========================
                                              'id'  1355390
                                            'path'  /data/Music/Bulk/00poprockelectronic/DJ Spen - Spring Was For Lovers/13 Emerge (Dave Clarke Remix).mp3
                                         'working'  None
                                         'bitrate'  231
                                    'duration_sec'  117
                                           'genre'  ifs-songwriter-indie-unsorted
                                        'filesize'  3419702
                                           'mtime'  1636402018
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Lovers 13 ifs songwriter indie unsorted
                                      'tag_artist'  Fischerspooner
                                     'tag_release'  DJ Spen - Spring Was For Lover
                                       'tag_title'  Emerge (Dave Clarke Remix)
                                             'bpm'  130.146
                                    'search_title'  'clarke':4 'dave':2,3 'emerge':1 'remix':5,6
                                   'search_artist'  'fischerspooner':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 'clarke':4A 'dave':2A,3A 'dj':8C 'emerge':1A 'fischerspooner':7B 'for':12C 'ifs':16 'indie':18 'lover':13C 'lovers':15 'remix':5A,6A 'songwriter':17 'spen':9C 'spring':10C 'unsorted':19 'was':11C
                                    'tag_tracknum'  13
                                      'num_images'  0
                                             'key'  4A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-3', 'q-other-1', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['electronica', 'electroclash', 'electronic', 'electro', 'synthpop']
                                        'tag_date'  2010
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636402017.6407135  (2021-11-08 21:06:57)
                             'size'  3419702