======================== unified (from filesystem) ========================
                                         'bitrate'  '233.354'
                                        'duration'  '138'
                                          'artist'  'Juliette and the Licks'
                                     'text_people'  ''
                                         'release'  'Four on the Floor'
                                           'title'  'Killer'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-2', 'Q-OLDST-3', 'Q-LOCALNESS-1', 'Q-JZFKS-1', "
 "'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['alternative rock', 'alternative', 'female vocalists', 'punk rock', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  ''
                                            'date'  '2006'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-indie-rock'
                                             'bpm'  '139.948'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Four on the Floor'
'TBPM' (BPM (beats per minute))                     '139.948'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-indie-rock'
'TDRC' (Recording time)                             '2006'
'TIT2' (Title/songname/content description)         'Killer'
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               'Juliette and the Licks'
'TRCK' (Track number/Position in set)               '4'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:lastfmtags'                                   ['alternative rock', 'alternative', 'female vocalists', 'punk rock', 'rock']
'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'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-1.17 dB'
'TXXX:replaygain_track_peak'                        '0.349506'

========================== row from database ==========================
                                              'id'  1377008
                                            'path'  /data/Music/Bulk/00poprockelectronic-poprock-indierock/Juliette and the Licks/04-juliette_and_the_licks-killer.mp3
                                         'working'  None
                                         'bitrate'  233
                                    'duration_sec'  138
                                           'genre'  ifs-songwriter-indie-rock
                                        'filesize'  4042626
                                           'mtime'  1621853604
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic poprock indierock 04 juliette_and_the_licks killer ifs songwriter indie rock
                                      'tag_artist'  Juliette and the Licks
                                     'tag_release'  Four on the Floor
                                       'tag_title'  Killer
                                             'bpm'  139.948
                                    'search_title'  'killer':1
                                   'search_artist'  'and':2 'juliette':1 'licks':4 'the':3
                                  'search_release'  'floor':4 'four':1 'on':2 'the':3
                                     'search_rest'  '00poprockelectronic':1 'and':5 'ifs':9 'indie':11 'indierock':3 'juliette':4 'killer':8 'licks':7 'poprock':2 'rock':12 'songwriter':10 'the':6
                                    'search_combo'  '00poprockelectronic':10 'and':3B,14 'floor':9C 'four':6C 'ifs':18 'indie':20 'indierock':12 'juliette':2B,13 'killer':1A,17 'licks':5B,16 'on':7C 'poprock':11 'rock':21 'songwriter':19 'the':4B,8C,15
                                    'tag_tracknum'  4
                                      'num_images'  0
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['alternative rock', 'alternative', 'female vocalists', 'punk rock', 'rock']
                                        'tag_date'  2006
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621853603.72881  (2021-05-24 12:53:23)
                             'size'  4042626