======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '344'
                                          'artist'  'Cappella'
                                     'text_people'  ''
                                         'release'  'U Got 2 Let the Music'
                                           'title'  'U Got 2 Let the Music (Mars Pl'
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-JZFKS-1', 'Q-UNU-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-3', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['90s', 'dance', 'house', '90s dance', 'eurodance', 'electronic']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  ''
                                            'date'  '1995'
                                        'comments'  ''
                                           'genre'  'electronic-generic or radio-unsorted'
                                             'bpm'  '134.645'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'U Got 2 Let the Music'
'TBPM' (BPM (beats per minute))                     '134.645'
'TCON' (Content type, a.k.a. Genre)                 'electronic-generic or radio-unsorted'
'TDRC' (Recording time)                             '1995'
'TIT2' (Title/songname/content description)         'U Got 2 Let the Music (Mars Pl'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'Cappella'
'TRCK' (Track number/Position in set)               '2'
'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:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['90s', 'dance', 'house', '90s dance', 'eurodance', 'electronic']
'TXXX:q-bass'                                       '3'
'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'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.27 dB'
'TXXX:replaygain_track_peak'                        '0.663123'

========================== row from database ==========================
                                              'id'  1293172
                                            'path'  /data/Music/Bulk/00poprockelectronic/The Best of 70 80 & 90s - 211 Hits (6CDS)/Capella - U Got 2 Let The Music.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  344
                                           'genre'  electronic-generic or radio-unsorted
                                        'filesize'  5518854
                                           'mtime'  1621696617
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic The Best of 70 80 & 90s 211 Hits (6CDS) Capella The electronic generic or radio unsorted
                                      'tag_artist'  Cappella
                                     'tag_release'  U Got 2 Let the Music
                                       'tag_title'  U Got 2 Let the Music (Mars Pl
                                             'bpm'  134.645
                                    'search_title'  '2':3 'got':2 'let':4 'mars':7,8 'music':6 'pl':9 'the':5 'u':1
                                   'search_artist'  'cappella':1
                                  'search_release'  '2':3 'got':2 'let':4 'music':6 'the':5 'u':1
                                     'search_rest'  '00poprockelectronic':1 '211':8 '6cds':10,11 '70':5 '80':6 '90s':7 'best':3 'capella':12 'electronic':13 'generic':14 'hits':9 'of':4 'or':15 'radio':16 'the':2 'unsorted':17
                                    'search_combo'  '00poprockelectronic':17 '2':3A,13C '211':24 '6cds':26,27 '70':21 '80':22 '90s':23 'best':19 'capella':28 'cappella':10B 'electronic':29 'generic':30 'got':2A,12C 'hits':25 'let':4A,14C 'mars':7A,8A 'music':6A,16C 'of':20 'or':31 'pl':9A 'radio':32 'the':5A,15C,18 'u':1A,11C 'unsorted':33
                                    'tag_tracknum'  2
                                      'num_images'  0
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', '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-4', 'q-syn-2', 'q-chart-3', 'q-other-2', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['90s', 'dance', 'house', '90s dance', 'eurodance', 'electronic']
                                        'tag_date'  1995
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1621696617.1171272  (2021-05-22 17:16:57)
                             'size'  5518854