======================== unified (from filesystem) ========================
                                         'bitrate'  '112.0'
                                        'duration'  '209'
                                          'artist'  'UB40'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  "Can't Help Falling In Love (1993)"
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-2', 'Q-LOCALNESS-2', 'Q-HHRNBTT-2', 'Q-UNU-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-3', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['80s', 'reggae', 'ska', 'british', 'pop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1995'
                                        'comments'  ''
                                           'genre'  'electronic-generic or radio-unsorted;set-pl-billboard'
                                             'bpm'  '86.217'
                                             'key'  '11B'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '86.217'
'TCON' (Content type, a.k.a. Genre)                 ['electronic-generic or radio-unsorted', 'set-pl-billboard']
'TDRC' (Recording time)                             '1995'
'TIT2' (Title/songname/content description)         "Can't Help Falling In Love (1993)"
'TKEY' (Initial key)                                '11B'
'TPE1' (Lead performer(s)/Soloist(s))               'UB40'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '2'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['80s', 'reggae', 'ska', 'british', 'pop']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'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'                                     '3'
'TXXX:replaygain_track_gain'                        '+1.20 dB'
'TXXX:replaygain_track_peak'                        '0.587334'

========================== row from database ==========================
                                              'id'  1509087
                                            'path'  /data/Music/Bulk/00poprockelectronic/90s/001 - UB40 - Can_t Help Falling In Love (1993).mp3
                                         'working'  None
                                         'bitrate'  112
                                    'duration_sec'  209
                                           'genre'  electronic-generic or radio-unsorted;set-pl-billboard
                                        'filesize'  2936251
                                           'mtime'  1621696481
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 90s 001 Can_t electronic generic or radio unsorted;set pl billboard
                                      'tag_artist'  UB40
                                     'tag_release'  None
                                       'tag_title'  Can't Help Falling In Love (1993)
                                             'bpm'  86.217
                                    'search_title'  '1993':8,9 'can':1 'cant':3 'falling':5 'help':4 'in':6 'love':7 't':2
                                   'search_artist'  'ub40':1
                                  'search_release'  
                                     'search_rest'  '00poprockelectronic':1 '90s':2 'billboard':14 'can':3 'electronic':5 'generic':6 'or':7 'pl':13 'radio':8 'set':10,12 't':4 'unsorted':9,11
                                    'search_combo'  '00poprockelectronic':11 '1993':8A,9A '90s':12 'billboard':24 'can':1A,13 'cant':3A 'electronic':15 'falling':5A 'generic':16 'help':4A 'in':6A 'love':7A 'or':17 'pl':23 'radio':18 'set':20,22 't':2A,14 'ub40':10B 'unsorted':19,21
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  11B
                                           'quals'  ['Q-HHRNBTT-2', 'q-vocals-3', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-3', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['80s', 'reggae', 'ska', 'british', 'pop']
                                        'tag_date'  1995
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621696481.3019402  (2021-05-22 17:14:41)
                             'size'  2936251