======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '302'
                                          'artist'  'Damien Olsen and Michael Durek'
                                     'text_people'  ''
                                         'release'  'Classwar Karaoke - 0017 Survey'
                                           'title'  'Night Shifter'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-OLDST-3', 'Q-LOCALNESS-1', "
 "'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '20'
                                      'tracktotal'  ''
                                            'date'  '2012'
                                        'comments'  ''
                                           'genre'  'electronic-unsorted'
                                             'bpm'  '145.895'
                                             'key'  '8B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Classwar Karaoke - 0017 Survey'
'TBPM' (BPM (beats per minute))                     '145.895'
'TCON' (Content type, a.k.a. Genre)                 'electronic-unsorted'
'TCOP' (Copyright message)                          ('Creative Commons Attribution-NonCommercial-NoDerivatives (aka Music '
 'Sharing): http://creativecommons.org/licenses/by-nc-nd/3.0/')
'TDRC' (Recording time)                             '2012'
'TIT2' (Title/songname/content description)         'Night Shifter'
'TKEY' (Initial key)                                '8B'
'TPE1' (Lead performer(s)/Soloist(s))               'Damien Olsen and Michael Durek'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '20'
'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:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+1.38 dB'
'TXXX:replaygain_track_peak'                        '0.596886'

========================== row from database ==========================
                                              'id'  1373304
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/FluiD - 2012 - classwar karaoke - 0017 survey/damien olsen and michael durek - classwar karaoke - 0017 survey - 20 - night shifter.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  302
                                           'genre'  electronic-unsorted
                                        'filesize'  12116856
                                           'mtime'  1622758899
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm FluiD 2012 classwar karaoke survey damien olsen michael durek classwar karaoke survey 20 night shifter electronic unsorted
                                      'tag_artist'  Damien Olsen and Michael Durek
                                     'tag_release'  Classwar Karaoke - 0017 Survey
                                       'tag_title'  Night Shifter
                                             'bpm'  145.895
                                    'search_title'  'night':1 'shifter':2
                                   'search_artist'  'and':3 'damien':1 'durek':5 'michael':4 'olsen':2
                                  'search_release'  'classwar':1 'karaoke':2 'survey':3
                                     'search_rest'  '20':10 '2012':2 'classwar':3 'd':16 'damien':6 'durek':9 'electronic':13 'flui':15 'fluid':1 'karaoke':4 'michael':8 'night':11 'olsen':7 'shifter':12 'survey':5 'unsorted':14
                                    'search_combo'  '20':20 '2012':12 'and':5B 'classwar':8C,13 'd':26 'damien':3B,16 'durek':7B,19 'electronic':23 'flui':25 'fluid':11 'karaoke':9C,14 'michael':6B,18 'night':1A,21 'olsen':4B,17 'shifter':2A,22 'survey':10C,15 'unsorted':24
                                    'tag_tracknum'  20
                                      'num_images'  0
                                             'key'  8B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', '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-1', 'q-syn-2', 'q-chart-1', 'q-other-4', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  2012
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1622758898.6219454  (2021-06-04 00:21:38)
                             'size'  12116856