======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '206'
                                          'artist'  'E-Z Rollers'
                                     'text_people'  ''
                                         'release'  'Titles of the Unexpected-RETAIL'
                                           'title'  'Back to Love (radio edit)'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-3', 'q-play-3', "
 "'q-chart-2', 'q-drums-3', 'q-other-1', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-4']")
                                      'lastfmtags'  "['drum and bass', 'electronic', 'jungle', 'drum n bass', 'dnb']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  ''
                                            'date'  '2003'
                                        'comments'  ''
                                           'genre'  'electronic-th-breakbeat or dnb or jungle'
                                             'bpm'  '117.945'
                                             'key'  '5A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Titles of the Unexpected-RETAIL'
'TBPM' (BPM (beats per minute))                     '117.945'
'TCON' (Content type, a.k.a. Genre)                 ['electronic-th-breakbeat or dnb or jungle',
 'electronic-th-breakbeat or dnb or jungle']
'TDRC' (Recording time)                             '2003'
'TIT2' (Title/songname/content description)         'Back to Love (radio edit)'
'TKEY' (Initial key)                                '5A'
'TPE1' (Lead performer(s)/Soloist(s))               'E-Z Rollers'
'TRCK' (Track number/Position in set)               '2'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['drum and bass', 'electronic', 'jungle', 'drum n bass', 'dnb']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '3'
'TXXX:q-mixbeat'                                    '4'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-2.08 dB'
'TXXX:replaygain_track_peak'                        '0.453632'

========================== row from database ==========================
                                              'id'  1324741
                                            'path'  /data/Music/Bulk/00poprockelectronic/00dnb/E-Z Rollers/EZ_Rollers-Titles_of_the_unexpected-2003/cd1/cd1-02-ez_rollers-back_to_love_(radio_edit)-.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  206
                                           'genre'  electronic-th-breakbeat or dnb or jungle
                                        'filesize'  4968320
                                           'mtime'  1621696514
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 00dnb EZ_Rollers Titles_of_the_unexpected 2003 cd1 cd1 02 ez_rollers back_to_love_(radio_edit) electronic breakbeat or dnb or jungle
                                      'tag_artist'  E-Z Rollers
                                     'tag_release'  Titles of the Unexpected-RETAIL
                                       'tag_title'  Back to Love (radio edit)
                                             'bpm'  117.945
                                    'search_title'  'back':1 'edit':6,7 'love':3 'radio':4,5 'to':2
                                   'search_artist'  'e':1 'ez':3 'rollers':4 'z':2
                                  'search_release'  'of':2 'retail':5 'the':3 'titles':1 'unexpected':4 'unexpectedretail':6
                                     'search_rest'  '00dnb':2 '00poprockelectronic':1 '2003':9 'back':11,16 'breakbeat':22 'cd1':10 'dnb':24 'edit':15,20 'electronic':21 'ez':3 'jungle':25 'love':13,18 'of':6 'or':23 'radio':14,19 'rollers':4 'the':7 'titles':5 'to':12,17 'unexpected':8
                                    'search_combo'  '00dnb':19 '00poprockelectronic':18 '2003':26 'back':1A,28,33 'breakbeat':39 'cd1':27 'dnb':41 'e':8B 'edit':6A,7A,32,37 'electronic':38 'ez':10B,20 'jungle':42 'love':3A,30,35 'of':13C,23 'or':40 'radio':4A,5A,31,36 'retail':16C 'rollers':11B,21 'the':14C,24 'titles':12C,22 'to':2A,29,34 'unexpected':15C,25 'unexpectedretail':17C 'z':9B
                                    'tag_tracknum'  2
                                      'num_images'  0
                                             'key'  5A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-4', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-3', 'q-chart-2', 'q-other-1', 'Q-HAP-3', 'q-bass-4', 'q-grit-3']
                                      'lastfmtags'  ['drum and bass', 'electronic', 'jungle', 'drum n bass', 'dnb']
                                        'tag_date'  2003
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1621696514.4342601  (2021-05-22 17:15:14)
                             'size'  4968320