======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '249'
                                          'artist'  'Little Mix'
                                     'text_people'  ''
                                         'release'  'Get Weird'
                                           'title'  'Secret Love Song'
                                           'quals'  ("['Q-OLDST-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', "
 "'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-4', 'q-mixbeat-2']")
                                      'lastfmtags'  "['girl groups', 'female vocalists', 'british', 'pop', 'x factor']"
                                     'discogstags'  "['synth-pop', 'contemporary r&b', 'electronic', 'funk / soul', 'pop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  ''
                                            'date'  '2015'
                                        'comments'  ''
                                           'genre'  'electronic-generic or radio'
                                             'bpm'  '124.468'
                                             'key'  '11B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Get Weird'
'TBPM' (BPM (beats per minute))                     '124.468'
'TCON' (Content type, a.k.a. Genre)                 'electronic-generic or radio'
'TDRC' (Recording time)                             '2015'
'TIT2' (Title/songname/content description)         'Secret Love Song'
'TKEY' (Initial key)                                '11B'
'TPE1' (Lead performer(s)/Soloist(s))               'Little Mix feat. Jason Derulo'
'TPE2' (Band/orchestra/accompaniment)               'Little Mix'
'TRCK' (Track number/Position in set)               '4'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['synth-pop', 'contemporary r&b', 'electronic', 'funk / soul', 'pop']
'TXXX:lastfmtags'                                   ['girl groups', 'female vocalists', 'british', 'pop', 'x factor']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.83 dB'
'TXXX:replaygain_track_peak'                        '0.266628'

========================== row from database ==========================
                                              'id'  1296625
                                            'path'  /data/Music/Bulk/00poprockelectronic/2016/Little Mix feat. Jason Derulo - Secret Love Song.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  249
                                           'genre'  electronic-generic or radio
                                        'filesize'  9997708
                                           'mtime'  1630248728
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 2016 feat. Jason Derulo electronic generic or radio
                                      'tag_artist'  Little Mix
                                     'tag_release'  Get Weird
                                       'tag_title'  Secret Love Song
                                             'bpm'  124.468
                                    'search_title'  'love':2 'secret':1 'song':3
                                   'search_artist'  'little':1 'mix':2
                                  'search_release'  'get':1 'weird':2
                                     'search_rest'  '00poprockelectronic':1 '2016':2 'derulo':6 'electronic':7 'feat':3,4 'generic':8 'jason':5 'or':9 'radio':10
                                    'search_combo'  '00poprockelectronic':8 '2016':9 'derulo':13 'electronic':14 'feat':10,11 'generic':15 'get':6C 'jason':12 'little':4B 'love':2A 'mix':5B 'or':16 'radio':17 'secret':1A 'song':3A 'weird':7C
                                    'tag_tracknum'  4
                                      'num_images'  0
                                             'key'  11B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['girl groups', 'female vocalists', 'british', 'pop', 'x factor']
                                        'tag_date'  2015
                                     'discogstags'  ['synth-pop', 'contemporary r&b', 'electronic', 'funk / soul', 'pop']

============================== file details ==============================
                                           'mtime'  1630248727.8677793  (2021-08-29 16:52:07)
                             'size'  9997708