======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '224'
                                          'artist'  'Tom Jones'
                                     'text_people'  ''
                                         'release'  'Billboard Top Pop Singles of 1970'
                                           'title'  'Without Love (There Is Nothing'
                                           'quals'  ("['Q-JZFKS-1', 'Q-OLDST-3', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-UNU-1', "
 "'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-3', "
 "'q-drums-1', 'q-other-2', 'q-piano-1', 'q-vocals-4', 'q-mixbeat-2']")
                                      'lastfmtags'  "['male vocalists', 'rock', 'oldies', 'pop', 'classic rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '92'
                                      'tracktotal'  ''
                                            'date'  '1970'
                                        'comments'  ''
                                           'genre'  'electronic-generic or radio-unsorted;rock-cppex'
                                             'bpm'  '143.416'
                                             'key'  '7B'
                                        'acoustid'  ''
rest: ''

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

'COMM:ID3v1 Comment:XXX'                            'Billboard'
'TALB' (Album/Movie/Show title)                     'Billboard Top Pop Singles of 1970'
'TBPM' (BPM (beats per minute))                     '143.416'
'TCON' (Content type, a.k.a. Genre)                 ['electronic-generic or radio-unsorted', 'rock-cppex']
'TDRC' (Recording time)                             '1970'
'TIT2' (Title/songname/content description)         'Without Love (There Is Nothing'
'TKEY' (Initial key)                                '7B'
'TPE1' (Lead performer(s)/Soloist(s))               'Tom Jones'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '92'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['male vocalists', 'rock', 'oldies', 'pop', 'classic rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '1'
'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'                        '-0.23 dB'
'TXXX:replaygain_track_peak'                        '0.629403'

========================== row from database ==========================
                                              'id'  1325490
                                            'path'  /data/Music/Bulk/00poprockelectronic/Billboard/Billboard Top100/1970/092 - Tom Jones - Without Love (There Is Nothing).mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  224
                                           'genre'  electronic-generic or radio-unsorted;rock-cppex
                                        'filesize'  4494567
                                           'mtime'  1620737072
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Top100 092 Nothing) electronic generic or radio unsorted;rock cppex
                                      'tag_artist'  Tom Jones
                                     'tag_release'  Billboard Top Pop Singles of 1970
                                       'tag_title'  Without Love (There Is Nothing
                                             'bpm'  143.416
                                    'search_title'  'is':5 'love':2 'nothing':6 'there':3,4 'without':1
                                   'search_artist'  'jones':2 'tom':1
                                  'search_release'  '1970':6 'billboard':1 'of':5 'pop':3 'singles':4 'top':2
                                     'search_rest'  '00poprockelectronic':1 'cppex':13 'electronic':5 'generic':6 'nothing':3,4 'or':7 'radio':8 'rock':10,12 'top100':2 'unsorted':9,11
                                    'search_combo'  '00poprockelectronic':15 '1970':14C 'billboard':9C 'cppex':27 'electronic':19 'generic':20 'is':5A 'jones':8B 'love':2A 'nothing':6A,17,18 'of':13C 'or':21 'pop':11C 'radio':22 'rock':24,26 'singles':12C 'there':3A,4A 'tom':7B 'top':10C 'top100':16 'unsorted':23,25 'without':1A
                                    'tag_tracknum'  92
                                      'num_images'  0
                                             'key'  7B
                                           '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-1', 'q-syn-2', 'q-chart-3', 'q-other-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['male vocalists', 'rock', 'oldies', 'pop', 'classic rock']
                                        'tag_date'  1970
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620737071.7974067  (2021-05-11 14:44:31)
                             'size'  4494567