======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '191'
                                          'artist'  'Maxine Nightingale'
                                     'text_people'  ''
                                         'release'  'De Pre Historie 1976, Volume 1'
                                           'title'  'Right Back Where We Started From'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-UNU-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['7soul', '70s', 'soul', 'pop', 'disco']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '13'
                                      'tracktotal'  '20'
                                            'date'  '1976'
                                        'comments'  ''
                                           'genre'  'funk or soul;set-pl-billboard'
                                             'bpm'  '145.790'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'COMM:ID3v1 Comment:XXX'                            'Love; Party'
'COMM:Songs-DB_Custom1:eng'                         '1970s'
'COMM:Songs-DB_Custom2:eng'                         'Female Vocalists; Top 40; Handclaps; Oldies'
'COMM:Songs-DB_Custom3:eng'                         'British'
'COMM:Songs-DB_Occasion:eng'                        'Love; Party'
'POPM:Windows Media Player 9 Series'                POPM(email='Windows Media Player 9 Series', rating=128, count=0)
'TALB' (Album/Movie/Show title)                     'De Pre Historie 1976, Volume 1'
'TBPM' (BPM (beats per minute))                     '145.790'
'TCMP'                                              '1'
'TCON' (Content type, a.k.a. Genre)                 ['funk or soul', 'set-pl-billboard']
'TDOR' (Original release time)                      '1976'
'TDRC' (Recording time)                             '1976'
'TIT2' (Title/songname/content description)         'Right Back Where We Started From'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Maxine Nightingale'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPUB' (Publisher)                                  'BMG Ariola'
'TRCK' (Track number/Position in set)               '13/20'
'TSOP' (Performer sort order)                       'Nightingale, Maxine'
'TXXX:ALBUMARTISTSORT'                              'Various Artists'
'TXXX:BARCODE'                                      '4007192607488'
'TXXX:CATALOGNUMBER'                                '260.748'
'TXXX:FMPS_Playcount'                               '2'
'TXXX:FMPS_Rating'                                  '0.6'
'TXXX:MusicBrainz Album Artist Id'                  '89ad4ac3-39f7-470e-963a-56509c546377'
'TXXX:MusicBrainz Album Id'                         '169ad714-bf42-4a4d-8d4d-c584e373d6c5'
'TXXX:MusicBrainz Album Release Country'            'BE'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'compilation'
'TXXX:MusicBrainz Artist Id'                        '0d8da158-389d-4b58-a62e-a6b5870fc3a4'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['7soul', '70s', 'soul', 'pop', 'disco']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+2.11 dB'
'TXXX:replaygain_track_peak'                        '0.439608'

========================== row from database ==========================
                                              'id'  675452
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/Unsorted/Maxine Nightingale__Time-Life AM Gold 1976__13 - Right Back Where We Started From.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  191
                                           'genre'  funk or soul;set-pl-billboard
                                        'filesize'  4589653
                                           'mtime'  1628357620
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country Unsorted Nightingale__Time Life AM Gold 1976__13 funk soul;set pl billboard
                                      'tag_artist'  Maxine Nightingale
                                     'tag_release'  De Pre Historie 1976, Volume 1
                                       'tag_title'  Right Back Where We Started From
                                             'bpm'  145.79
                                    'search_title'  'back':2 'from':6 'right':1 'started':5 'we':4 'where':3
                                   'search_artist'  'maxine':1 'nightingale':2
                                  'search_release'  '1':7 '1976':4,5 'de':1 'historie':3 'pre':2 'volume':6
                                     'search_rest'  '13':12 '1976':11 'am':9 'billboard':19 'country':4 'exotica':2 'funk':13 'gold':10 'jazz':1 'life':8 'nightingale':6 'oldies':3 'pl':18 'set':15,17 'soul':14,16 'time':7 'unsorted':5
                                    'search_combo'  '1':15C '13':27 '1976':12C,13C,26 'am':24 'back':2A 'billboard':34 'country':19 'de':9C 'exotica':17 'from':6A 'funk':28 'gold':25 'historie':11C 'jazz':16 'life':23 'maxine':7B 'nightingale':8B,21 'oldies':18 'pl':33 'pre':10C 'right':1A 'set':30,32 'soul':29,31 'started':5A 'time':22 'unsorted':20 'volume':14C 'we':4A 'where':3A
                                    'tag_tracknum'  13
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['7soul', '70s', 'soul', 'pop', 'disco']
                                        'tag_date'  1976
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1628357620.3904426  (2021-08-07 19:33:40)
                             'size'  4589653