======================== unified (from filesystem) ========================
                                         'bitrate'  '132.999'
                                        'duration'  '233'
                                          'artist'  'PAUL BURTON'
                                     'text_people'  ''
                                         'release'  'Dimitri - Exotic Soulful & Reggae'
                                           'title'  'SO VERY HARD TO MAKE IT (WITHOUT YOU)'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-3', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-UNU-1', "
 "'Q-OLDST-2', 'Q-SYN-2', 'Q-BUSY-2', 'Q-GRIT-2', 'Q-PLAY-3', 'q-bass-4', "
 "'Q-CHART-2', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'Q-MIXBEAT-2']")
                                      'lastfmtags'  "['funk', 'soul', '70s', '1974', 'music-go-round']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'funk or soul'
                                             'bpm'  '94.7'
                                             'key'  '7A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Dimitri - Exotic Soulful & Reggae'
'TBPM' (BPM (beats per minute))                     '94.7'
'TCON' (Content type, a.k.a. Genre)                 'funk or soul'
'TIT2' (Title/songname/content description)         'SO VERY HARD TO MAKE IT (WITHOUT YOU)'
'TKEY' (Initial key)                                '7A'
'TPE1' (Lead performer(s)/Soloist(s))               'PAUL BURTON'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TSSE' (Software/Hardware and settings used for encoding)  'Lavf58.45.100'
'TXXX:Q-BUSY'                                       '2'
'TXXX:Q-CHART'                                      '2'
'TXXX:Q-GRIT'                                       '2'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-MIXBEAT'                                    '2'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-PLAY'                                       '3'
'TXXX:Q-SYN'                                        '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['funk', 'soul', '70s', '1974', 'music-go-round']
'TXXX:q-bass'                                       '4'
'TXXX:q-drums'                                      '4'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.44 dB'
'TXXX:replaygain_track_peak'                        '0.741694'

========================== row from database ==========================
                                              'id'  1477593
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Dimitri/ExoticSoulfulReggae/PAUL BURTON... SO VERY HARD TO MAKE IT (WITHOUT YOU)-JzpNAlIpO94.mp3
                                         'working'  None
                                         'bitrate'  133
                                    'duration_sec'  233
                                           'genre'  funk or soul
                                        'filesize'  3885400
                                           'mtime'  1628357622
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm ExoticSoulfulReggae BURTON... JzpNAlIpO94 funk or soul
                                      'tag_artist'  PAUL BURTON
                                     'tag_release'  Dimitri - Exotic Soulful & Reggae
                                       'tag_title'  SO VERY HARD TO MAKE IT (WITHOUT YOU)
                                             'bpm'  94.7
                                    'search_title'  'hard':3 'it':6 'make':5 'so':1 'to':4 'very':2 'without':7,8 'you':9,10
                                   'search_artist'  'burton':2 'paul':1
                                  'search_release'  'dimitri':1 'exotic':2 'reggae':4 'soulful':3
                                     'search_rest'  'burton':2,3 'exotic':8 'exoticsoulfulreggae':1 'funk':5 'ip':13 'jzp':11 'jzpnalipo94':4 'nal':12 'o94':14 'or':6 'reggae':10 'soul':7 'soulful':9
                                    'search_combo'  'burton':12B,18,19 'dimitri':13C 'exotic':14C,24 'exoticsoulfulreggae':17 'funk':21 'hard':3A 'ip':29 'it':6A 'jzp':27 'jzpnalipo94':20 'make':5A 'nal':28 'o94':30 'or':22 'paul':11B 'reggae':16C,26 'so':1A 'soul':23 'soulful':15C,25 'to':4A 'very':2A 'without':7A,8A 'you':9A,10A
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  7A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'Q-MIXBEAT-2', 'Q-OLDST-2', 'Q-GRIT-2', 'Q-UNU-1', 'Q-JZFKS-3', 'Q-CHART-2', 'q-drums-4', 'Q-SYN-2', 'q-other-2', 'Q-BUSY-2', 'Q-HAP-3', 'Q-PLAY-3', 'q-bass-4']
                                      'lastfmtags'  ['funk', 'soul', '70s', '1974', 'music-go-round']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1628357621.6671522  (2021-08-07 19:33:41)
                             'size'  3885400